+2015-11-13 Jennifer Yao <jenny.hyphen.fa@gmail.com>
+ Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/58393
+ PR libstdc++/61580
+ * acinclude.m4 (GLIBCXX_ENABLE_C99): Perform tests twice, with
+ -std=c++11 as well as -std=c++98, and define separate macros for each.
+ Cache the results of checking for complex math and wide character
+ functions. Reformat for readability.
+ * config.h.in: Regenerate.
+ * include/bits/c++config: Define _GLIBCXX_USE_C99_XXX macros to
+ either _GLIBCXX98_USE_C99_XXX or _GLIBCXX11_USE_C99_XXX according to
+ language standard in use.
+ * config/locale/dragonfly/c_locale.h (std::__convert_from_v): Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
+ * config/locale/generic/c_locale.h (std::__convert_from_v): Likewise.
+ * config/locale/gnu/c_locale.h (std::__convert_from_v): Likewise.
+ * config/os/bsd/dragonfly/os_defines.h: Define _GLIBCXX_USE_C99_STDIO,
+ _GLIBCXX_USE_C99_STDLIB, and _GLIBCXX_USE_C99_WCHAR.
+ * configure: Regenerate.
+ * include/bits/basic_string.h: Make numeric conversion functions
+ depend on _GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, or
+ _GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
+ * include/ext/vstring.h: Likewise.
+ * include/bits/locale_facets.tcc (std::num_put::_M_insert_float):
+ Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
+ * include/bits/locale_facets_nonio.tcc (std::money_put::do_put):
+ Likewise.
+ * include/c_compatibility/math.h: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_MATH.
+ * include/c_compatibility/wchar.h: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_WCHAR.
+ * include/c_global/cstdio: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDIO.
+ * include/c_global/cstdlib: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDLIB.
+ * include/c_global/cwchar: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_WCHAR.
+ * include/c_std/cstdio: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDIO.
+ * include/c_std/cstdlib: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDLIB.
+ * include/c_std/cwchar: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_WCHAR.
+ * include/tr1/cstdio: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDIO.
+ * include/tr1/cstdlib: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDLIB.
+ * include/tr1/cwchar: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_WCHAR.
+ * include/tr1/stdlib.h: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDLIB.
+ * src/c++98/locale_facets.cc (std::__num_base::_S_format_float):
+ Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
+ * testsuite/18_support/exception_ptr/60612-terminate.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
+ * testsuite/18_support/exception_ptr/60612-unexpected.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc
+ (test01): Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stof.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stoi.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stol.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stold.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stoll.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stoul.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ stoull.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
+ to_wstring.cc: Likewise.
+ * testsuite/26_numerics/headers/cstdlib/13943.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
+ * testsuite/26_numerics/headers/cstdlib/types_std_c++0x.cc: Likewise.
+ * testsuite/lib/libstdc++.exp (check_v3_target_string_conversions):
+ Change preprocessor #if conditional so that it uses
+ _GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, and
+ _GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
+ * testsuite/tr1/8_c_compatibility/cmath/templates.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_MATH.
+ * testsuite/tr1/8_c_compatibility/cstdio/functions.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
+ * testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
+ * testsuite/tr1/8_c_compatibility/cstdlib/types_std_tr1.cc: Likewise.
+ * testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Replace
+ _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
+ * testsuite/util/testsuite_fs.h: Replace _GLIBCXX_USE_C99 with
+ _GLIBCXX_USE_C99_STDIO.
+
2015-11-13 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/shared_ptr.h: Tweak comments.
GLIBCXX_ENABLE(c99,$1,,[turns on ISO/IEC 9899:1999 support])
if test x"$enable_c99" = x"yes"; then
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
+ # Use -std=c++98 (instead of -std=gnu++98) because leaving __STRICT_ANSI__
+ # undefined may cause fake C99 facilities, like pre-standard snprintf,
+ # to be spuriously enabled.
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=c++98"
+ ac_save_LIBS="$LIBS"
+ ac_save_gcc_no_link="$gcc_no_link"
+
+ if test x$gcc_no_link != xyes; then
+ # Use -fno-exceptions to that the C driver can link these tests without
+ # hitting undefined references to personality routines.
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ AC_CHECK_LIB(m, sin, [LIBS="$LIBS -lm"], [
+ # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
+ gcc_no_link=yes
+ ])
+ fi
- # Use -std=c++98 because the default (-std=gnu++98) leaves __STRICT_ANSI__
- # undefined and fake C99 facilities - like pre-standard snprintf - may be
- # spuriously enabled.
- # Long term, -std=c++0x could be even better, could manage to explicitly
- # request C99 facilities to the underlying C headers.
- ac_save_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -std=c++98"
- ac_save_LIBS="$LIBS"
- ac_save_gcc_no_link="$gcc_no_link"
+ # Check for the existence of <math.h> functions used if C99 is enabled.
+ AC_MSG_CHECKING([for ISO C99 support in <math.h> for C++98])
+ AC_CACHE_VAL(glibcxx_cv_c99_math_cxx98, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <math.h>
+ volatile double d1, d2;
+ volatile int i;],
+ [i = fpclassify(d1);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
+ ], [glibcxx_cv_c99_math_cxx98=yes], [glibcxx_cv_c99_math_cxx98=no])
+ ])
+ AC_MSG_RESULT($glibcxx_cv_c99_math_cxx98)
+ if test x"$glibcxx_cv_c99_math_cxx98" = x"yes"; then
+ AC_DEFINE(_GLIBCXX98_USE_C99_MATH, 1,
+ [Define if C99 functions or macros in <math.h> should be imported
+ in <cmath> in namespace std for C++98.])
+ fi
- if test x$gcc_no_link != xyes; then
- # Use -fno-exceptions to that the C driver can link these tests without
- # hitting undefined references to personality routines.
- CXXFLAGS="$CXXFLAGS -fno-exceptions"
- AC_CHECK_LIB(m, sin, [
- LIBS="$LIBS -lm"
- ], [
- # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
- gcc_no_link=yes
+ # Check for the existence of <complex.h> complex math functions.
+ # This is necessary even though libstdc++ uses the builtin versions
+ # of these functions, because if the builtin cannot be used, a reference
+ # to the library function is emitted.
+ AC_CHECK_HEADERS(tgmath.h, ac_has_tgmath_h=yes, ac_has_tgmath_h=no)
+ AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no)
+ if test x"$ac_has_complex_h" = x"yes"; then
+ AC_MSG_CHECKING([for ISO C99 support in <complex.h> for C++98])
+ AC_CACHE_VAL(glibcxx_cv_c99_complex_cxx98, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <complex.h>
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;],
+ [f = cabsf(tmpf);
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
+ ], [glibcxx_cv_c99_complex_cxx98=yes], [glibcxx_cv_c99_complex_cxx98=no])
+ ])
+ fi
+ AC_MSG_RESULT($glibcxx_cv_c99_complex_cxx98)
+ if test x"$glibcxx_cv_c99_complex_cxx98" = x"yes"; then
+ AC_DEFINE(_GLIBCXX98_USE_C99_COMPLEX, 1,
+ [Define if C99 functions in <complex.h> should be used in
+ <complex> for C++98. Using compiler builtins for these functions
+ requires corresponding C99 library functions to be present.])
+ fi
+
+ # Check for the existence in <stdio.h> of vscanf, et. al.
+ AC_MSG_CHECKING([for ISO C99 support in <stdio.h> for C++98])
+ AC_CACHE_VAL(glibcxx_cv_c99_stdio_cxx98, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }], [],
+ [glibcxx_cv_c99_stdio_cxx98=yes], [glibcxx_cv_c99_stdio_cxx98=no])
])
- fi
+ AC_MSG_RESULT($glibcxx_cv_c99_stdio_cxx98)
+ if test x"$glibcxx_cv_c99_stdio_cxx98" = x"yes"; then
+ AC_DEFINE(_GLIBCXX98_USE_C99_STDIO, 1,
+ [Define if C99 functions or macros in <stdio.h> should be imported
+ in <cstdio> in namespace std for C++98.])
+ fi
- # Check for the existence of <math.h> functions used if C99 is enabled.
- AC_MSG_CHECKING([for ISO C99 support in <math.h>])
- AC_CACHE_VAL(glibcxx_cv_c99_math, [
- GCC_TRY_COMPILE_OR_LINK(
- [#include <math.h>
- volatile double d1, d2;
- volatile int i;],
- [i = fpclassify(d1);
- i = isfinite(d1);
- i = isinf(d1);
- i = isnan(d1);
- i = isnormal(d1);
- i = signbit(d1);
- i = isgreater(d1, d2);
- i = isgreaterequal(d1, d2);
- i = isless(d1, d2);
- i = islessequal(d1, d2);
- i = islessgreater(d1, d2);
- i = islessgreater(d1, d2);
- i = isunordered(d1, d2);
- ],[glibcxx_cv_c99_math=yes], [glibcxx_cv_c99_math=no])
- ])
- AC_MSG_RESULT($glibcxx_cv_c99_math)
- if test x"$glibcxx_cv_c99_math" = x"yes"; then
- AC_DEFINE(_GLIBCXX_USE_C99_MATH, 1,
- [Define if C99 functions or macros in <math.h> should be imported
- in <cmath> in namespace std.])
- fi
+ # Check for the existence in <wchar.h> of wcstold, etc.
+ if test x"$ac_has_wchar_h" = xyes &&
+ test x"$ac_has_wctype_h" = xyes; then
+ AC_MSG_CHECKING([for ISO C99 support in <wchar.h> for C++98])
+ AC_CACHE_VAL(glibcxx_cv_c99_wchar_cxx98, [
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test
+ {
+ using ::wcstold;
+ using ::wcstoll;
+ using ::wcstoull;
+ }
+ ], [], [glibcxx_cv_c99_wchar_cxx98=yes], [glibcxx_cv_c99_wchar_cxx98=no])
+ ])
- # Check for the existence of <complex.h> complex math functions.
- # This is necessary even though libstdc++ uses the builtin versions
- # of these functions, because if the builtin cannot be used, a reference
- # to the library function is emitted.
- AC_CHECK_HEADERS(tgmath.h, ac_has_tgmath_h=yes, ac_has_tgmath_h=no)
- AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no)
- glibcxx_cv_c99_complex=no;
- if test x"$ac_has_complex_h" = x"yes"; then
- AC_MSG_CHECKING([for ISO C99 support in <complex.h>])
- GCC_TRY_COMPILE_OR_LINK(
- [#include <complex.h>
- typedef __complex__ float float_type;
- typedef __complex__ double double_type;
- typedef __complex__ long double ld_type;
- volatile float_type tmpf;
- volatile double_type tmpd;
- volatile ld_type tmpld;
- volatile float f;
- volatile double d;
- volatile long double ld;],
- [f = cabsf(tmpf);
- f = cargf(tmpf);
- tmpf = ccosf(tmpf);
- tmpf = ccoshf(tmpf);
- tmpf = cexpf(tmpf);
- tmpf = clogf(tmpf);
- tmpf = csinf(tmpf);
- tmpf = csinhf(tmpf);
- tmpf = csqrtf(tmpf);
- tmpf = ctanf(tmpf);
- tmpf = ctanhf(tmpf);
- tmpf = cpowf(tmpf, tmpf);
- tmpf = cprojf(tmpf);
- d = cabs(tmpd);
- d = carg(tmpd);
- tmpd = ccos(tmpd);
- tmpd = ccosh(tmpd);
- tmpd = cexp(tmpd);
- tmpd = clog(tmpd);
- tmpd = csin(tmpd);
- tmpd = csinh(tmpd);
- tmpd = csqrt(tmpd);
- tmpd = ctan(tmpd);
- tmpd = ctanh(tmpd);
- tmpd = cpow(tmpd, tmpd);
- tmpd = cproj(tmpd);
- ld = cabsl(tmpld);
- ld = cargl(tmpld);
- tmpld = ccosl(tmpld);
- tmpld = ccoshl(tmpld);
- tmpld = cexpl(tmpld);
- tmpld = clogl(tmpld);
- tmpld = csinl(tmpld);
- tmpld = csinhl(tmpld);
- tmpld = csqrtl(tmpld);
- tmpld = ctanl(tmpld);
- tmpld = ctanhl(tmpld);
- tmpld = cpowl(tmpld, tmpld);
- tmpld = cprojl(tmpld);
- ],[glibcxx_cv_c99_complex=yes], [glibcxx_cv_c99_complex=no])
- fi
- AC_MSG_RESULT($glibcxx_cv_c99_complex)
- if test x"$glibcxx_cv_c99_complex" = x"yes"; then
- AC_DEFINE(_GLIBCXX_USE_C99_COMPLEX, 1,
- [Define if C99 functions in <complex.h> should be used in
- <complex>. Using compiler builtins for these functions requires
- corresponding C99 library functions to be present.])
- fi
-
- # Check for the existence in <stdio.h> of vscanf, et. al.
- AC_MSG_CHECKING([for ISO C99 support in <stdio.h>])
- AC_CACHE_VAL(glibcxx_cv_c99_stdio, [
- GCC_TRY_COMPILE_OR_LINK(
- [#include <stdio.h>
- #include <stdarg.h>
- void foo(char* fmt, ...)
- {
- va_list args; va_start(args, fmt);
- vfscanf(stderr, "%i", args);
- vscanf("%i", args);
- vsnprintf(fmt, 0, "%i", args);
- vsscanf(fmt, "%i", args);
- snprintf(fmt, 0, "%i");
- }], [],
- [glibcxx_cv_c99_stdio=yes], [glibcxx_cv_c99_stdio=no])
- ])
- AC_MSG_RESULT($glibcxx_cv_c99_stdio)
-
- # Check for the existence in <stdlib.h> of lldiv_t, et. al.
- AC_MSG_CHECKING([for ISO C99 support in <stdlib.h>])
- AC_CACHE_VAL(glibcxx_cv_c99_stdlib, [
- GCC_TRY_COMPILE_OR_LINK(
- [#include <stdlib.h>
- volatile float f;
- volatile long double ld;
- volatile unsigned long long ll;
- lldiv_t mydivt;],
- [char* tmp;
- f = strtof("gnu", &tmp);
- ld = strtold("gnu", &tmp);
- ll = strtoll("gnu", &tmp, 10);
- ll = strtoull("gnu", &tmp, 10);
- ll = llabs(10);
- mydivt = lldiv(10,1);
- ll = mydivt.quot;
- ll = mydivt.rem;
- ll = atoll("10");
- _Exit(0);
- ],[glibcxx_cv_c99_stdlib=yes], [glibcxx_cv_c99_stdlib=no])
- ])
- AC_MSG_RESULT($glibcxx_cv_c99_stdlib)
-
- # Check for the existence in <wchar.h> of wcstold, etc.
- glibcxx_cv_c99_wchar=no;
- if test x"$ac_has_wchar_h" = xyes &&
- test x"$ac_has_wctype_h" = xyes; then
- AC_MSG_CHECKING([for ISO C99 support in <wchar.h>])
- AC_TRY_COMPILE([#include <wchar.h>
- namespace test
- {
- using ::wcstold;
- using ::wcstoll;
- using ::wcstoull;
- }
- ],[],[glibcxx_cv_c99_wchar=yes], [glibcxx_cv_c99_wchar=no])
-
- # Checks for wide character functions that may not be present.
- # Injection of these is wrapped with guard macros.
- # NB: only put functions here, instead of immediately above, if
- # absolutely necessary.
- AC_TRY_COMPILE([#include <wchar.h>
- namespace test { using ::vfwscanf; } ], [],
- [AC_DEFINE(HAVE_VFWSCANF,1,
- [Defined if vfwscanf exists.])],[])
-
- AC_TRY_COMPILE([#include <wchar.h>
- namespace test { using ::vswscanf; } ], [],
- [AC_DEFINE(HAVE_VSWSCANF,1,
- [Defined if vswscanf exists.])],[])
-
- AC_TRY_COMPILE([#include <wchar.h>
- namespace test { using ::vwscanf; } ], [],
- [AC_DEFINE(HAVE_VWSCANF,1,[Defined if vwscanf exists.])],[])
-
- AC_TRY_COMPILE([#include <wchar.h>
- namespace test { using ::wcstof; } ], [],
- [AC_DEFINE(HAVE_WCSTOF,1,[Defined if wcstof exists.])],[])
-
- AC_TRY_COMPILE([#include <wctype.h>],
- [ wint_t t; int i = iswblank(t);],
- [AC_DEFINE(HAVE_ISWBLANK,1,
- [Defined if iswblank exists.])],[])
-
- AC_MSG_RESULT($glibcxx_cv_c99_wchar)
- fi
-
- # Option parsed, now set things appropriately.
- if test x"$glibcxx_cv_c99_math" = x"no" ||
- test x"$glibcxx_cv_c99_complex" = x"no" ||
- test x"$glibcxx_cv_c99_stdio" = x"no" ||
- test x"$glibcxx_cv_c99_stdlib" = x"no" ||
- test x"$glibcxx_cv_c99_wchar" = x"no"; then
- enable_c99=no;
- else
- AC_DEFINE(_GLIBCXX_USE_C99, 1,
- [Define if C99 functions or macros from <wchar.h>, <math.h>,
- <complex.h>, <stdio.h>, and <stdlib.h> can be used or exposed.])
- fi
+ # Checks for wide character functions that may not be present.
+ # Injection of these is wrapped with guard macros.
+ # NB: only put functions here, instead of immediately above, if
+ # absolutely necessary.
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vfwscanf; }], [],
+ [AC_DEFINE(HAVE_VFWSCANF, 1, [Defined if vfwscanf exists.])], [])
- gcc_no_link="$ac_save_gcc_no_link"
- LIBS="$ac_save_LIBS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- AC_LANG_RESTORE
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vswscanf; }], [],
+ [AC_DEFINE(HAVE_VSWSCANF, 1, [Defined if vswscanf exists.])], [])
+
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vwscanf; }], [],
+ [AC_DEFINE(HAVE_VWSCANF, 1, [Defined if vwscanf exists.])], [])
+
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::wcstof; }], [],
+ [AC_DEFINE(HAVE_WCSTOF, 1, [Defined if wcstof exists.])], [])
+
+ AC_TRY_COMPILE([#include <wctype.h>],
+ [wint_t t; int i = iswblank(t);],
+ [AC_DEFINE(HAVE_ISWBLANK, 1, [Defined if iswblank exists.])], [])
+
+ AC_MSG_RESULT($glibcxx_cv_c99_wchar_cxx98)
+ if test x"$glibcxx_cv_c99_wchar_cxx98" = x"yes"; then
+ AC_DEFINE(_GLIBCXX98_USE_C99_WCHAR, 1,
+ [Define if C99 functions or macros in <wchar.h> should be imported
+ in <cwchar> in namespace std for C++98.])
+ fi
+ fi
+
+ # Option parsed, now set things appropriately.
+ if test x"$glibcxx_cv_c99_math_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_complex_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_stdio_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_stdlib_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_wchar_cxx98" = x"no"; then
+ enable_c99=no;
+ else
+ AC_DEFINE(_GLIBCXX_USE_C99, 1,
+ [Define if C99 functions or macros from <wchar.h>, <math.h>,
+ <complex.h>, <stdio.h>, and <stdlib.h> can be used or exposed.])
+ fi
+
+ gcc_no_link="$ac_save_gcc_no_link"
+ LIBS="$ac_save_LIBS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ AC_LANG_RESTORE
+
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+
+ # Use -std=c++11 and test again for C99 library feature in C++11 mode.
+ # For the reasons given above we use -std=c++11 not -std=gnu++11.
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=c++11"
+ ac_save_LIBS="$LIBS"
+ ac_save_gcc_no_link="$gcc_no_link"
+
+ if test x$gcc_no_link != xyes; then
+ # Use -fno-exceptions to that the C driver can link these tests without
+ # hitting undefined references to personality routines.
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ AC_CHECK_LIB(m, sin, [LIBS="$LIBS -lm"], [
+ # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
+ gcc_no_link=yes
+ ])
+ fi
+
+ # Check for the existence of <math.h> functions used if C99 is enabled.
+ AC_MSG_CHECKING([for ISO C99 support in <math.h> for C++11])
+ AC_CACHE_VAL(glibcxx_cv_c99_math_cxx11, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <math.h>
+ volatile double d1, d2;
+ volatile int i;],
+ [i = fpclassify(d1);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
+ ], [glibcxx_cv_c99_math_cxx11=yes], [glibcxx_cv_c99_math_cxx11=no])
+ ])
+ AC_MSG_RESULT($glibcxx_cv_c99_math_cxx11)
+ if test x"$glibcxx_cv_c99_math_cxx11" = x"yes"; then
+ AC_DEFINE(_GLIBCXX11_USE_C99_MATH, 1,
+ [Define if C99 functions or macros in <math.h> should be imported
+ in <cmath> in namespace std for C++11.])
+ fi
+
+ # Check for the existence of <complex.h> complex math functions.
+ # This is necessary even though libstdc++ uses the builtin versions
+ # of these functions, because if the builtin cannot be used, a reference
+ # to the library function is emitted.
+ AC_CHECK_HEADERS(tgmath.h, ac_has_tgmath_h=yes, ac_has_tgmath_h=no)
+ AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no)
+ if test x"$ac_has_complex_h" = x"yes"; then
+ AC_MSG_CHECKING([for ISO C99 support in <complex.h> for C++11])
+ AC_CACHE_VAL(glibcxx_cv_c99_complex_cxx11, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <complex.h>
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;],
+ [f = cabsf(tmpf);
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
+ ], [glibcxx_cv_c99_complex_cxx11=yes], [glibcxx_cv_c99_complex_cxx11=no])
+ ])
+ fi
+ AC_MSG_RESULT($glibcxx_cv_c99_complex_cxx11)
+ if test x"$glibcxx_cv_c99_complex_cxx11" = x"yes"; then
+ AC_DEFINE(_GLIBCXX11_USE_C99_COMPLEX, 1,
+ [Define if C99 functions in <complex.h> should be used in
+ <complex> for C++11. Using compiler builtins for these functions
+ requires corresponding C99 library functions to be present.])
+ fi
+
+ # Check for the existence in <stdio.h> of vscanf, et. al.
+ AC_MSG_CHECKING([for ISO C99 support in <stdio.h> for C++11])
+ AC_CACHE_VAL(glibcxx_cv_c99_stdio_cxx11, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }], [],
+ [glibcxx_cv_c99_stdio_cxx11=yes], [glibcxx_cv_c99_stdio_cxx11=no])
+ ])
+ AC_MSG_RESULT($glibcxx_cv_c99_stdio_cxx11)
+ if test x"$glibcxx_cv_c99_stdio_cxx11" = x"yes"; then
+ AC_DEFINE(_GLIBCXX11_USE_C99_STDIO, 1,
+ [Define if C99 functions or macros in <stdio.h> should be imported
+ in <cstdio> in namespace std for C++11.])
+ fi
+
+ # Check for the existence in <stdlib.h> of lldiv_t, et. al.
+ AC_MSG_CHECKING([for ISO C99 support in <stdlib.h> for C++11])
+ AC_CACHE_VAL(glibcxx_cv_c99_stdlib_cxx11, [
+ GCC_TRY_COMPILE_OR_LINK(
+ [#include <stdlib.h>
+ volatile float f;
+ volatile long double ld;
+ volatile unsigned long long ll;
+ lldiv_t mydivt;],
+ [char* tmp;
+ f = strtof("gnu", &tmp);
+ ld = strtold("gnu", &tmp);
+ ll = strtoll("gnu", &tmp, 10);
+ ll = strtoull("gnu", &tmp, 10);
+ ll = llabs(10);
+ mydivt = lldiv(10,1);
+ ll = mydivt.quot;
+ ll = mydivt.rem;
+ ll = atoll("10");
+ _Exit(0);
+ ], [glibcxx_cv_c99_stdlib_cxx11=yes], [glibcxx_cv_c99_stdlib_cxx11=no])
+ ])
+ AC_MSG_RESULT($glibcxx_cv_c99_stdlib_cxx11)
+ if test x"$glibcxx_cv_c99_stdlib_cxx11" = x"yes"; then
+ AC_DEFINE(_GLIBCXX11_USE_C99_STDLIB, 1,
+ [Define if C99 functions or macros in <stdlib.h> should be imported
+ in <cstdlib> in namespace std for C++11.])
+ fi
+
+ # Check for the existence in <wchar.h> of wcstold, etc.
+ if test x"$ac_has_wchar_h" = xyes &&
+ test x"$ac_has_wctype_h" = xyes; then
+ AC_MSG_CHECKING([for ISO C99 support in <wchar.h> for C++11])
+ AC_CACHE_VAL(glibcxx_cv_c99_wchar_cxx11, [
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test
+ {
+ using ::wcstold;
+ using ::wcstoll;
+ using ::wcstoull;
+ }
+ ], [], [glibcxx_cv_c99_wchar_cxx11=yes], [glibcxx_cv_c99_wchar_cxx11=no])
+ ])
+
+ # Checks for wide character functions that may not be present.
+ # Injection of these is wrapped with guard macros.
+ # NB: only put functions here, instead of immediately above, if
+ # absolutely necessary.
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vfwscanf; }], [],
+ [AC_DEFINE(HAVE_VFWSCANF, 1, [Defined if vfwscanf exists.])], [])
+
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vswscanf; }], [],
+ [AC_DEFINE(HAVE_VSWSCANF, 1, [Defined if vswscanf exists.])], [])
+
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::vwscanf; }], [],
+ [AC_DEFINE(HAVE_VWSCANF, 1, [Defined if vwscanf exists.])], [])
+
+ AC_TRY_COMPILE([#include <wchar.h>
+ namespace test { using ::wcstof; }], [],
+ [AC_DEFINE(HAVE_WCSTOF, 1, [Defined if wcstof exists.])], [])
+
+ AC_TRY_COMPILE([#include <wctype.h>],
+ [wint_t t; int i = iswblank(t);],
+ [AC_DEFINE(HAVE_ISWBLANK, 1, [Defined if iswblank exists.])], [])
+
+ AC_MSG_RESULT($glibcxx_cv_c99_wchar_cxx11)
+ if test x"$glibcxx_cv_c99_wchar_cxx11" = x"yes"; then
+ AC_DEFINE(_GLIBCXX11_USE_C99_WCHAR, 1,
+ [Define if C99 functions or macros in <wchar.h> should be imported
+ in <cwchar> in namespace std for C++11.])
+ fi
+ fi
+
+ gcc_no_link="$ac_save_gcc_no_link"
+ LIBS="$ac_save_LIBS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ AC_LANG_RESTORE
fi
AC_MSG_CHECKING([for fully enabled ISO C99 support])
/* Version number of package */
#undef VERSION
+/* Define if C99 functions in <complex.h> should be used in <complex> for
+ C++11. Using compiler builtins for these functions requires corresponding
+ C99 library functions to be present. */
+#undef _GLIBCXX11_USE_C99_COMPLEX
+
+/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
+ in namespace std for C++11. */
+#undef _GLIBCXX11_USE_C99_MATH
+
+/* Define if C99 functions or macros in <stdio.h> should be imported in
+ <cstdio> in namespace std for C++11. */
+#undef _GLIBCXX11_USE_C99_STDIO
+
+/* Define if C99 functions or macros in <stdlib.h> should be imported in
+ <cstdlib> in namespace std for C++11. */
+#undef _GLIBCXX11_USE_C99_STDLIB
+
+/* Define if C99 functions or macros in <wchar.h> should be imported in
+ <cwchar> in namespace std for C++11. */
+#undef _GLIBCXX11_USE_C99_WCHAR
+
+/* Define if C99 functions in <complex.h> should be used in <complex> for
+ C++98. Using compiler builtins for these functions requires corresponding
+ C99 library functions to be present. */
+#undef _GLIBCXX98_USE_C99_COMPLEX
+
+/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
+ in namespace std for C++98. */
+#undef _GLIBCXX98_USE_C99_MATH
+
+/* Define if C99 functions or macros in <stdio.h> should be imported in
+ <cstdio> in namespace std for C++98. */
+#undef _GLIBCXX98_USE_C99_STDIO
+
+/* Define if C99 functions or macros in <wchar.h> should be imported in
+ <cwchar> in namespace std for C++98. */
+#undef _GLIBCXX98_USE_C99_WCHAR
+
/* Define if the compiler supports C++11 atomics. */
#undef _GLIBCXX_ATOMIC_BUILTINS
<stdio.h>, and <stdlib.h> can be used or exposed. */
#undef _GLIBCXX_USE_C99
-/* Define if C99 functions in <complex.h> should be used in <complex>. Using
- compiler builtins for these functions requires corresponding C99 library
- functions to be present. */
-#undef _GLIBCXX_USE_C99_COMPLEX
-
/* Define if C99 functions in <complex.h> should be used in <tr1/complex>.
Using compiler builtins for these functions requires corresponding C99
library functions to be present. */
<tr1/cinttypes> in namespace std::tr1. */
#undef _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1
-/* Define if C99 functions or macros in <math.h> should be imported in <cmath>
- in namespace std. */
-#undef _GLIBCXX_USE_C99_MATH
-
/* Define if C99 functions or macros in <math.h> should be imported in
<tr1/cmath> in namespace std::tr1. */
#undef _GLIBCXX_USE_C99_MATH_TR1
__builtin_va_list __args;
__builtin_va_start(__args, __fmt);
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
#else
const int __ret = __builtin_vsprintf(__out, __fmt, __args);
__builtin_va_list __args;
__builtin_va_start(__args, __fmt);
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
#else
const int __ret = __builtin_vsprintf(__out, __fmt, __args);
__builtin_va_list __args;
__builtin_va_start(__args, __fmt);
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
#else
const int __ret = __builtin_vsprintf(__out, __fmt, __args);
// file will come before all others.
#define _GLIBCXX_USE_C99 1
+#define _GLIBCXX_USE_C99_STDIO 1
+#define _GLIBCXX_USE_C99_STDLIB 1
+#define _GLIBCXX_USE_C99_WCHAR 1
#define _GLIBCXX_USE_C99_CHECK 1
#define _GLIBCXX_USE_C99_DYNAMIC (!(__ISO_C_VISIBLE >= 1999))
#define _GLIBCXX_USE_C99_LONG_LONG_CHECK 1
if test x"$enable_c99" = x"yes"; then
-
- ac_ext=cpp
+ ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
- # Use -std=c++98 because the default (-std=gnu++98) leaves __STRICT_ANSI__
- # undefined and fake C99 facilities - like pre-standard snprintf - may be
- # spuriously enabled.
- # Long term, -std=c++0x could be even better, could manage to explicitly
- # request C99 facilities to the underlying C headers.
- ac_save_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -std=c++98"
- ac_save_LIBS="$LIBS"
- ac_save_gcc_no_link="$gcc_no_link"
+ # Use -std=c++98 (instead of -std=gnu++98) because leaving __STRICT_ANSI__
+ # undefined may cause fake C99 facilities, like pre-standard snprintf,
+ # to be spuriously enabled.
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=c++98"
+ ac_save_LIBS="$LIBS"
+ ac_save_gcc_no_link="$gcc_no_link"
- if test x$gcc_no_link != xyes; then
- # Use -fno-exceptions to that the C driver can link these tests without
- # hitting undefined references to personality routines.
- CXXFLAGS="$CXXFLAGS -fno-exceptions"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
+ if test x$gcc_no_link != xyes; then
+ # Use -fno-exceptions to that the C driver can link these tests without
+ # hitting undefined references to personality routines.
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
$as_echo_n "checking for sin in -lm... " >&6; }
if test "${ac_cv_lib_m_sin+set}" = set; then :
$as_echo_n "(cached) " >&6
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
$as_echo "$ac_cv_lib_m_sin" >&6; }
if test "x$ac_cv_lib_m_sin" = x""yes; then :
+ LIBS="$LIBS -lm"
+else
+
+ # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
+ gcc_no_link=yes
- LIBS="$LIBS -lm"
+fi
+
+ fi
+ # Check for the existence of <math.h> functions used if C99 is enabled.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <math.h> for C++98" >&5
+$as_echo_n "checking for ISO C99 support in <math.h> for C++98... " >&6; }
+ if test "${glibcxx_cv_c99_math_cxx98+set}" = set; then :
+ $as_echo_n "(cached) " >&6
else
- # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
- gcc_no_link=yes
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+ volatile double d1, d2;
+ volatile int i;
+int
+main ()
+{
+i = fpclassify(d1);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_math_cxx98=yes
+else
+ glibcxx_cv_c99_math_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+ volatile double d1, d2;
+ volatile int i;
+int
+main ()
+{
+i = fpclassify(d1);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_c99_math_cxx98=yes
+else
+ glibcxx_cv_c99_math_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
fi
- fi
+fi
- # Check for the existence of <math.h> functions used if C99 is enabled.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <math.h>" >&5
-$as_echo_n "checking for ISO C99 support in <math.h>... " >&6; }
- if test "${glibcxx_cv_c99_math+set}" = set; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_math_cxx98" >&5
+$as_echo "$glibcxx_cv_c99_math_cxx98" >&6; }
+ if test x"$glibcxx_cv_c99_math_cxx98" = x"yes"; then
+
+$as_echo "#define _GLIBCXX98_USE_C99_MATH 1" >>confdefs.h
+
+ fi
+
+ # Check for the existence of <complex.h> complex math functions.
+ # This is necessary even though libstdc++ uses the builtin versions
+ # of these functions, because if the builtin cannot be used, a reference
+ # to the library function is emitted.
+ for ac_header in tgmath.h
+do :
+ ac_fn_cxx_check_header_mongrel "$LINENO" "tgmath.h" "ac_cv_header_tgmath_h" "$ac_includes_default"
+if test "x$ac_cv_header_tgmath_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_TGMATH_H 1
+_ACEOF
+ ac_has_tgmath_h=yes
+else
+ ac_has_tgmath_h=no
+fi
+
+done
+
+ for ac_header in complex.h
+do :
+ ac_fn_cxx_check_header_mongrel "$LINENO" "complex.h" "ac_cv_header_complex_h" "$ac_includes_default"
+if test "x$ac_cv_header_complex_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_COMPLEX_H 1
+_ACEOF
+ ac_has_complex_h=yes
+else
+ ac_has_complex_h=no
+fi
+
+done
+
+ if test x"$ac_has_complex_h" = x"yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <complex.h> for C++98" >&5
+$as_echo_n "checking for ISO C99 support in <complex.h> for C++98... " >&6; }
+ if test "${glibcxx_cv_c99_complex_cxx98+set}" = set; then :
$as_echo_n "(cached) " >&6
else
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <complex.h>
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;
+int
+main ()
+{
+f = cabsf(tmpf);
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_complex_cxx98=yes
+else
+ glibcxx_cv_c99_complex_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <complex.h>
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;
+int
+main ()
+{
+f = cabsf(tmpf);
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_c99_complex_cxx98=yes
+else
+ glibcxx_cv_c99_complex_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_complex_cxx98" >&5
+$as_echo "$glibcxx_cv_c99_complex_cxx98" >&6; }
+ if test x"$glibcxx_cv_c99_complex_cxx98" = x"yes"; then
+
+$as_echo "#define _GLIBCXX98_USE_C99_COMPLEX 1" >>confdefs.h
+
+ fi
+
+ # Check for the existence in <stdio.h> of vscanf, et. al.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <stdio.h> for C++98" >&5
+$as_echo_n "checking for ISO C99 support in <stdio.h> for C++98... " >&6; }
+ if test "${glibcxx_cv_c99_stdio_cxx98+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_stdio_cxx98=yes
+else
+ glibcxx_cv_c99_stdio_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdio.h>
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_c99_stdio_cxx98=yes
+else
+ glibcxx_cv_c99_stdio_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_stdio_cxx98" >&5
+$as_echo "$glibcxx_cv_c99_stdio_cxx98" >&6; }
+ if test x"$glibcxx_cv_c99_stdio_cxx98" = x"yes"; then
+
+$as_echo "#define _GLIBCXX98_USE_C99_STDIO 1" >>confdefs.h
+
+ fi
+
+ # Check for the existence in <wchar.h> of wcstold, etc.
+ if test x"$ac_has_wchar_h" = xyes &&
+ test x"$ac_has_wctype_h" = xyes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <wchar.h> for C++98" >&5
+$as_echo_n "checking for ISO C99 support in <wchar.h> for C++98... " >&6; }
+ if test "${glibcxx_cv_c99_wchar_cxx98+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wchar.h>
+ namespace test
+ {
+ using ::wcstold;
+ using ::wcstoll;
+ using ::wcstoull;
+ }
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_wchar_cxx98=yes
+else
+ glibcxx_cv_c99_wchar_cxx98=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+
+ # Checks for wide character functions that may not be present.
+ # Injection of these is wrapped with guard macros.
+ # NB: only put functions here, instead of immediately above, if
+ # absolutely necessary.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wchar.h>
+ namespace test { using ::vfwscanf; }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_VFWSCANF 1" >>confdefs.h
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wchar.h>
+ namespace test { using ::vswscanf; }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_VSWSCANF 1" >>confdefs.h
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wchar.h>
+ namespace test { using ::vwscanf; }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_VWSCANF 1" >>confdefs.h
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wchar.h>
+ namespace test { using ::wcstof; }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_WCSTOF 1" >>confdefs.h
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <wctype.h>
+int
+main ()
+{
+wint_t t; int i = iswblank(t);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_ISWBLANK 1" >>confdefs.h
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_wchar_cxx98" >&5
+$as_echo "$glibcxx_cv_c99_wchar_cxx98" >&6; }
+ if test x"$glibcxx_cv_c99_wchar_cxx98" = x"yes"; then
+
+$as_echo "#define _GLIBCXX98_USE_C99_WCHAR 1" >>confdefs.h
+
+ fi
+ fi
+
+ # Option parsed, now set things appropriately.
+ if test x"$glibcxx_cv_c99_math_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_complex_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_stdio_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_stdlib_cxx98" = x"no" ||
+ test x"$glibcxx_cv_c99_wchar_cxx98" = x"no"; then
+ enable_c99=no;
+ else
+
+$as_echo "#define _GLIBCXX_USE_C99 1" >>confdefs.h
+
+ fi
+
+ gcc_no_link="$ac_save_gcc_no_link"
+ LIBS="$ac_save_LIBS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+ # Use -std=c++11 and test again for C99 library feature in C++11 mode.
+ # For the reasons given above we use -std=c++11 not -std=gnu++11.
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=c++11"
+ ac_save_LIBS="$LIBS"
+ ac_save_gcc_no_link="$gcc_no_link"
+
+ if test x$gcc_no_link != xyes; then
+ # Use -fno-exceptions to that the C driver can link these tests without
+ # hitting undefined references to personality routines.
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
+$as_echo_n "checking for sin in -lm... " >&6; }
+if test "${ac_cv_lib_m_sin+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm $LIBS"
+if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sin ();
+int
+main ()
+{
+return sin ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ ac_cv_lib_m_sin=yes
+else
+ ac_cv_lib_m_sin=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
+$as_echo "$ac_cv_lib_m_sin" >&6; }
+if test "x$ac_cv_lib_m_sin" = x""yes; then :
+ LIBS="$LIBS -lm"
+else
+
+ # Use the default compile-only tests in GCC_TRY_COMPILE_OR_LINK
+ gcc_no_link=yes
+
+fi
+
+ fi
+
+ # Check for the existence of <math.h> functions used if C99 is enabled.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <math.h> for C++11" >&5
+$as_echo_n "checking for ISO C99 support in <math.h> for C++11... " >&6; }
+ if test "${glibcxx_cv_c99_math_cxx11+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <math.h>
- volatile double d1, d2;
- volatile int i;
+ volatile double d1, d2;
+ volatile int i;
int
main ()
{
i = fpclassify(d1);
- i = isfinite(d1);
- i = isinf(d1);
- i = isnan(d1);
- i = isnormal(d1);
- i = signbit(d1);
- i = isgreater(d1, d2);
- i = isgreaterequal(d1, d2);
- i = isless(d1, d2);
- i = islessequal(d1, d2);
- i = islessgreater(d1, d2);
- i = islessgreater(d1, d2);
- i = isunordered(d1, d2);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_c99_math=yes
+ glibcxx_cv_c99_math_cxx11=yes
else
- glibcxx_cv_c99_math=no
+ glibcxx_cv_c99_math_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <math.h>
- volatile double d1, d2;
- volatile int i;
+ volatile double d1, d2;
+ volatile int i;
int
main ()
{
i = fpclassify(d1);
- i = isfinite(d1);
- i = isinf(d1);
- i = isnan(d1);
- i = isnormal(d1);
- i = signbit(d1);
- i = isgreater(d1, d2);
- i = isgreaterequal(d1, d2);
- i = isless(d1, d2);
- i = islessequal(d1, d2);
- i = islessgreater(d1, d2);
- i = islessgreater(d1, d2);
- i = isunordered(d1, d2);
+ i = isfinite(d1);
+ i = isinf(d1);
+ i = isnan(d1);
+ i = isnormal(d1);
+ i = signbit(d1);
+ i = isgreater(d1, d2);
+ i = isgreaterequal(d1, d2);
+ i = isless(d1, d2);
+ i = islessequal(d1, d2);
+ i = islessgreater(d1, d2);
+ i = islessgreater(d1, d2);
+ i = isunordered(d1, d2);
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
- glibcxx_cv_c99_math=yes
+ glibcxx_cv_c99_math_cxx11=yes
else
- glibcxx_cv_c99_math=no
+ glibcxx_cv_c99_math_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_math" >&5
-$as_echo "$glibcxx_cv_c99_math" >&6; }
- if test x"$glibcxx_cv_c99_math" = x"yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_math_cxx11" >&5
+$as_echo "$glibcxx_cv_c99_math_cxx11" >&6; }
+ if test x"$glibcxx_cv_c99_math_cxx11" = x"yes"; then
-$as_echo "#define _GLIBCXX_USE_C99_MATH 1" >>confdefs.h
+$as_echo "#define _GLIBCXX11_USE_C99_MATH 1" >>confdefs.h
- fi
+ fi
- # Check for the existence of <complex.h> complex math functions.
- # This is necessary even though libstdc++ uses the builtin versions
- # of these functions, because if the builtin cannot be used, a reference
- # to the library function is emitted.
- for ac_header in tgmath.h
+ # Check for the existence of <complex.h> complex math functions.
+ # This is necessary even though libstdc++ uses the builtin versions
+ # of these functions, because if the builtin cannot be used, a reference
+ # to the library function is emitted.
+ for ac_header in tgmath.h
do :
ac_fn_cxx_check_header_mongrel "$LINENO" "tgmath.h" "ac_cv_header_tgmath_h" "$ac_includes_default"
if test "x$ac_cv_header_tgmath_h" = x""yes; then :
done
- for ac_header in complex.h
+ for ac_header in complex.h
do :
ac_fn_cxx_check_header_mongrel "$LINENO" "complex.h" "ac_cv_header_complex_h" "$ac_includes_default"
if test "x$ac_cv_header_complex_h" = x""yes; then :
done
- glibcxx_cv_c99_complex=no;
- if test x"$ac_has_complex_h" = x"yes"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <complex.h>" >&5
-$as_echo_n "checking for ISO C99 support in <complex.h>... " >&6; }
- if test x$gcc_no_link = xyes; then
+ if test x"$ac_has_complex_h" = x"yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <complex.h> for C++11" >&5
+$as_echo_n "checking for ISO C99 support in <complex.h> for C++11... " >&6; }
+ if test "${glibcxx_cv_c99_complex_cxx11+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <complex.h>
- typedef __complex__ float float_type;
- typedef __complex__ double double_type;
- typedef __complex__ long double ld_type;
- volatile float_type tmpf;
- volatile double_type tmpd;
- volatile ld_type tmpld;
- volatile float f;
- volatile double d;
- volatile long double ld;
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;
int
main ()
{
f = cabsf(tmpf);
- f = cargf(tmpf);
- tmpf = ccosf(tmpf);
- tmpf = ccoshf(tmpf);
- tmpf = cexpf(tmpf);
- tmpf = clogf(tmpf);
- tmpf = csinf(tmpf);
- tmpf = csinhf(tmpf);
- tmpf = csqrtf(tmpf);
- tmpf = ctanf(tmpf);
- tmpf = ctanhf(tmpf);
- tmpf = cpowf(tmpf, tmpf);
- tmpf = cprojf(tmpf);
- d = cabs(tmpd);
- d = carg(tmpd);
- tmpd = ccos(tmpd);
- tmpd = ccosh(tmpd);
- tmpd = cexp(tmpd);
- tmpd = clog(tmpd);
- tmpd = csin(tmpd);
- tmpd = csinh(tmpd);
- tmpd = csqrt(tmpd);
- tmpd = ctan(tmpd);
- tmpd = ctanh(tmpd);
- tmpd = cpow(tmpd, tmpd);
- tmpd = cproj(tmpd);
- ld = cabsl(tmpld);
- ld = cargl(tmpld);
- tmpld = ccosl(tmpld);
- tmpld = ccoshl(tmpld);
- tmpld = cexpl(tmpld);
- tmpld = clogl(tmpld);
- tmpld = csinl(tmpld);
- tmpld = csinhl(tmpld);
- tmpld = csqrtl(tmpld);
- tmpld = ctanl(tmpld);
- tmpld = ctanhl(tmpld);
- tmpld = cpowl(tmpld, tmpld);
- tmpld = cprojl(tmpld);
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_c99_complex=yes
-else
- glibcxx_cv_c99_complex=no
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_complex_cxx11=yes
+else
+ glibcxx_cv_c99_complex_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <complex.h>
- typedef __complex__ float float_type;
- typedef __complex__ double double_type;
- typedef __complex__ long double ld_type;
- volatile float_type tmpf;
- volatile double_type tmpd;
- volatile ld_type tmpld;
- volatile float f;
- volatile double d;
- volatile long double ld;
+ typedef __complex__ float float_type;
+ typedef __complex__ double double_type;
+ typedef __complex__ long double ld_type;
+ volatile float_type tmpf;
+ volatile double_type tmpd;
+ volatile ld_type tmpld;
+ volatile float f;
+ volatile double d;
+ volatile long double ld;
int
main ()
{
f = cabsf(tmpf);
- f = cargf(tmpf);
- tmpf = ccosf(tmpf);
- tmpf = ccoshf(tmpf);
- tmpf = cexpf(tmpf);
- tmpf = clogf(tmpf);
- tmpf = csinf(tmpf);
- tmpf = csinhf(tmpf);
- tmpf = csqrtf(tmpf);
- tmpf = ctanf(tmpf);
- tmpf = ctanhf(tmpf);
- tmpf = cpowf(tmpf, tmpf);
- tmpf = cprojf(tmpf);
- d = cabs(tmpd);
- d = carg(tmpd);
- tmpd = ccos(tmpd);
- tmpd = ccosh(tmpd);
- tmpd = cexp(tmpd);
- tmpd = clog(tmpd);
- tmpd = csin(tmpd);
- tmpd = csinh(tmpd);
- tmpd = csqrt(tmpd);
- tmpd = ctan(tmpd);
- tmpd = ctanh(tmpd);
- tmpd = cpow(tmpd, tmpd);
- tmpd = cproj(tmpd);
- ld = cabsl(tmpld);
- ld = cargl(tmpld);
- tmpld = ccosl(tmpld);
- tmpld = ccoshl(tmpld);
- tmpld = cexpl(tmpld);
- tmpld = clogl(tmpld);
- tmpld = csinl(tmpld);
- tmpld = csinhl(tmpld);
- tmpld = csqrtl(tmpld);
- tmpld = ctanl(tmpld);
- tmpld = ctanhl(tmpld);
- tmpld = cpowl(tmpld, tmpld);
- tmpld = cprojl(tmpld);
+ f = cargf(tmpf);
+ tmpf = ccosf(tmpf);
+ tmpf = ccoshf(tmpf);
+ tmpf = cexpf(tmpf);
+ tmpf = clogf(tmpf);
+ tmpf = csinf(tmpf);
+ tmpf = csinhf(tmpf);
+ tmpf = csqrtf(tmpf);
+ tmpf = ctanf(tmpf);
+ tmpf = ctanhf(tmpf);
+ tmpf = cpowf(tmpf, tmpf);
+ tmpf = cprojf(tmpf);
+ d = cabs(tmpd);
+ d = carg(tmpd);
+ tmpd = ccos(tmpd);
+ tmpd = ccosh(tmpd);
+ tmpd = cexp(tmpd);
+ tmpd = clog(tmpd);
+ tmpd = csin(tmpd);
+ tmpd = csinh(tmpd);
+ tmpd = csqrt(tmpd);
+ tmpd = ctan(tmpd);
+ tmpd = ctanh(tmpd);
+ tmpd = cpow(tmpd, tmpd);
+ tmpd = cproj(tmpd);
+ ld = cabsl(tmpld);
+ ld = cargl(tmpld);
+ tmpld = ccosl(tmpld);
+ tmpld = ccoshl(tmpld);
+ tmpld = cexpl(tmpld);
+ tmpld = clogl(tmpld);
+ tmpld = csinl(tmpld);
+ tmpld = csinhl(tmpld);
+ tmpld = csqrtl(tmpld);
+ tmpld = ctanl(tmpld);
+ tmpld = ctanhl(tmpld);
+ tmpld = cpowl(tmpld, tmpld);
+ tmpld = cprojl(tmpld);
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
- glibcxx_cv_c99_complex=yes
+ glibcxx_cv_c99_complex_cxx11=yes
else
- glibcxx_cv_c99_complex=no
+ glibcxx_cv_c99_complex_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_complex" >&5
-$as_echo "$glibcxx_cv_c99_complex" >&6; }
- if test x"$glibcxx_cv_c99_complex" = x"yes"; then
-$as_echo "#define _GLIBCXX_USE_C99_COMPLEX 1" >>confdefs.h
+fi
- fi
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_complex_cxx11" >&5
+$as_echo "$glibcxx_cv_c99_complex_cxx11" >&6; }
+ if test x"$glibcxx_cv_c99_complex_cxx11" = x"yes"; then
+
+$as_echo "#define _GLIBCXX11_USE_C99_COMPLEX 1" >>confdefs.h
- # Check for the existence in <stdio.h> of vscanf, et. al.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <stdio.h>" >&5
-$as_echo_n "checking for ISO C99 support in <stdio.h>... " >&6; }
- if test "${glibcxx_cv_c99_stdio+set}" = set; then :
+ fi
+
+ # Check for the existence in <stdio.h> of vscanf, et. al.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <stdio.h> for C++11" >&5
+$as_echo_n "checking for ISO C99 support in <stdio.h> for C++11... " >&6; }
+ if test "${glibcxx_cv_c99_stdio_cxx11+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdio.h>
- #include <stdarg.h>
- void foo(char* fmt, ...)
- {
- va_list args; va_start(args, fmt);
- vfscanf(stderr, "%i", args);
- vscanf("%i", args);
- vsnprintf(fmt, 0, "%i", args);
- vsscanf(fmt, "%i", args);
- snprintf(fmt, 0, "%i");
- }
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }
int
main ()
{
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_c99_stdio=yes
+ glibcxx_cv_c99_stdio_cxx11=yes
else
- glibcxx_cv_c99_stdio=no
+ glibcxx_cv_c99_stdio_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdio.h>
- #include <stdarg.h>
- void foo(char* fmt, ...)
- {
- va_list args; va_start(args, fmt);
- vfscanf(stderr, "%i", args);
- vscanf("%i", args);
- vsnprintf(fmt, 0, "%i", args);
- vsscanf(fmt, "%i", args);
- snprintf(fmt, 0, "%i");
- }
+ #include <stdarg.h>
+ void foo(char* fmt, ...)
+ {
+ va_list args; va_start(args, fmt);
+ vfscanf(stderr, "%i", args);
+ vscanf("%i", args);
+ vsnprintf(fmt, 0, "%i", args);
+ vsscanf(fmt, "%i", args);
+ snprintf(fmt, 0, "%i");
+ }
int
main ()
{
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
- glibcxx_cv_c99_stdio=yes
+ glibcxx_cv_c99_stdio_cxx11=yes
else
- glibcxx_cv_c99_stdio=no
+ glibcxx_cv_c99_stdio_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_stdio" >&5
-$as_echo "$glibcxx_cv_c99_stdio" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_stdio_cxx11" >&5
+$as_echo "$glibcxx_cv_c99_stdio_cxx11" >&6; }
+ if test x"$glibcxx_cv_c99_stdio_cxx11" = x"yes"; then
+
+$as_echo "#define _GLIBCXX11_USE_C99_STDIO 1" >>confdefs.h
- # Check for the existence in <stdlib.h> of lldiv_t, et. al.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <stdlib.h>" >&5
-$as_echo_n "checking for ISO C99 support in <stdlib.h>... " >&6; }
- if test "${glibcxx_cv_c99_stdlib+set}" = set; then :
+ fi
+
+ # Check for the existence in <stdlib.h> of lldiv_t, et. al.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <stdlib.h> for C++11" >&5
+$as_echo_n "checking for ISO C99 support in <stdlib.h> for C++11... " >&6; }
+ if test "${glibcxx_cv_c99_stdlib_cxx11+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdlib.h>
- volatile float f;
- volatile long double ld;
- volatile unsigned long long ll;
- lldiv_t mydivt;
+ volatile float f;
+ volatile long double ld;
+ volatile unsigned long long ll;
+ lldiv_t mydivt;
int
main ()
{
char* tmp;
- f = strtof("gnu", &tmp);
- ld = strtold("gnu", &tmp);
- ll = strtoll("gnu", &tmp, 10);
- ll = strtoull("gnu", &tmp, 10);
- ll = llabs(10);
- mydivt = lldiv(10,1);
- ll = mydivt.quot;
- ll = mydivt.rem;
- ll = atoll("10");
- _Exit(0);
+ f = strtof("gnu", &tmp);
+ ld = strtold("gnu", &tmp);
+ ll = strtoll("gnu", &tmp, 10);
+ ll = strtoull("gnu", &tmp, 10);
+ ll = llabs(10);
+ mydivt = lldiv(10,1);
+ ll = mydivt.quot;
+ ll = mydivt.rem;
+ ll = atoll("10");
+ _Exit(0);
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_c99_stdlib=yes
+ glibcxx_cv_c99_stdlib_cxx11=yes
else
- glibcxx_cv_c99_stdlib=no
+ glibcxx_cv_c99_stdlib_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <stdlib.h>
- volatile float f;
- volatile long double ld;
- volatile unsigned long long ll;
- lldiv_t mydivt;
+ volatile float f;
+ volatile long double ld;
+ volatile unsigned long long ll;
+ lldiv_t mydivt;
int
main ()
{
char* tmp;
- f = strtof("gnu", &tmp);
- ld = strtold("gnu", &tmp);
- ll = strtoll("gnu", &tmp, 10);
- ll = strtoull("gnu", &tmp, 10);
- ll = llabs(10);
- mydivt = lldiv(10,1);
- ll = mydivt.quot;
- ll = mydivt.rem;
- ll = atoll("10");
- _Exit(0);
+ f = strtof("gnu", &tmp);
+ ld = strtold("gnu", &tmp);
+ ll = strtoll("gnu", &tmp, 10);
+ ll = strtoull("gnu", &tmp, 10);
+ ll = llabs(10);
+ mydivt = lldiv(10,1);
+ ll = mydivt.quot;
+ ll = mydivt.rem;
+ ll = atoll("10");
+ _Exit(0);
;
return 0;
}
_ACEOF
if ac_fn_cxx_try_link "$LINENO"; then :
- glibcxx_cv_c99_stdlib=yes
+ glibcxx_cv_c99_stdlib_cxx11=yes
else
- glibcxx_cv_c99_stdlib=no
+ glibcxx_cv_c99_stdlib_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_stdlib" >&5
-$as_echo "$glibcxx_cv_c99_stdlib" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_stdlib_cxx11" >&5
+$as_echo "$glibcxx_cv_c99_stdlib_cxx11" >&6; }
+ if test x"$glibcxx_cv_c99_stdlib_cxx11" = x"yes"; then
- # Check for the existence in <wchar.h> of wcstold, etc.
- glibcxx_cv_c99_wchar=no;
- if test x"$ac_has_wchar_h" = xyes &&
- test x"$ac_has_wctype_h" = xyes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <wchar.h>" >&5
-$as_echo_n "checking for ISO C99 support in <wchar.h>... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+$as_echo "#define _GLIBCXX11_USE_C99_STDLIB 1" >>confdefs.h
+
+ fi
+
+ # Check for the existence in <wchar.h> of wcstold, etc.
+ if test x"$ac_has_wchar_h" = xyes &&
+ test x"$ac_has_wctype_h" = xyes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 support in <wchar.h> for C++11" >&5
+$as_echo_n "checking for ISO C99 support in <wchar.h> for C++11... " >&6; }
+ if test "${glibcxx_cv_c99_wchar_cxx11+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wchar.h>
- namespace test
- {
- using ::wcstold;
- using ::wcstoll;
- using ::wcstoull;
- }
+ namespace test
+ {
+ using ::wcstold;
+ using ::wcstoll;
+ using ::wcstoull;
+ }
int
main ()
}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_c99_wchar=yes
+ glibcxx_cv_c99_wchar_cxx11=yes
else
- glibcxx_cv_c99_wchar=no
+ glibcxx_cv_c99_wchar_cxx11=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- # Checks for wide character functions that may not be present.
- # Injection of these is wrapped with guard macros.
- # NB: only put functions here, instead of immediately above, if
- # absolutely necessary.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+fi
+
+
+ # Checks for wide character functions that may not be present.
+ # Injection of these is wrapped with guard macros.
+ # NB: only put functions here, instead of immediately above, if
+ # absolutely necessary.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wchar.h>
- namespace test { using ::vfwscanf; }
+ namespace test { using ::vfwscanf; }
int
main ()
{
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wchar.h>
- namespace test { using ::vswscanf; }
+ namespace test { using ::vswscanf; }
int
main ()
{
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wchar.h>
- namespace test { using ::vwscanf; }
+ namespace test { using ::vwscanf; }
int
main ()
{
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wchar.h>
- namespace test { using ::wcstof; }
+ namespace test { using ::wcstof; }
int
main ()
{
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <wctype.h>
int
main ()
{
- wint_t t; int i = iswblank(t);
+wint_t t; int i = iswblank(t);
;
return 0;
}
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_wchar" >&5
-$as_echo "$glibcxx_cv_c99_wchar" >&6; }
- fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_wchar_cxx11" >&5
+$as_echo "$glibcxx_cv_c99_wchar_cxx11" >&6; }
+ if test x"$glibcxx_cv_c99_wchar_cxx11" = x"yes"; then
- # Option parsed, now set things appropriately.
- if test x"$glibcxx_cv_c99_math" = x"no" ||
- test x"$glibcxx_cv_c99_complex" = x"no" ||
- test x"$glibcxx_cv_c99_stdio" = x"no" ||
- test x"$glibcxx_cv_c99_stdlib" = x"no" ||
- test x"$glibcxx_cv_c99_wchar" = x"no"; then
- enable_c99=no;
- else
+$as_echo "#define _GLIBCXX11_USE_C99_WCHAR 1" >>confdefs.h
-$as_echo "#define _GLIBCXX_USE_C99 1" >>confdefs.h
-
- fi
+ fi
+ fi
- gcc_no_link="$ac_save_gcc_no_link"
- LIBS="$ac_save_LIBS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- ac_ext=c
+ gcc_no_link="$ac_save_gcc_no_link"
+ LIBS="$ac_save_LIBS"
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if __cplusplus >= 201103L && defined(_GLIBCXX_USE_C99)
+#if __cplusplus >= 201103L
#include <ext/string_conversions.h>
_GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_BEGIN_NAMESPACE_CXX11
+#if _GLIBCXX_USE_C99_STDLIB
// 21.4 Numeric Conversions [string.conversions].
inline int
stoi(const string& __str, size_t* __idx = 0, int __base = 10)
inline long double
stold(const string& __str, size_t* __idx = 0)
{ return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
+#endif // _GLIBCXX_USE_C99_STDLIB
+#if _GLIBCXX_USE_C99_STDIO
// NB: (v)snprintf vs sprintf.
// DR 1261.
return __gnu_cxx::__to_xstring<string>(&std::vsnprintf, __n,
"%Lf", __val);
}
+#endif // _GLIBCXX_USE_C99_STDIO
-#ifdef _GLIBCXX_USE_WCHAR_T
+#if defined(_GLIBCXX_USE_WCHAR_T) && defined(_GLIBCXX_USE_C99_WCHAR)
inline int
stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(),
L"%Lf", __val);
}
#endif // _GLIBCXX_HAVE_BROKEN_VSWPRINTF
-#endif
+#endif // _GLIBCXX_USE_WCHAR_T && _GLIBCXX_USE_C99_WCHAR
_GLIBCXX_END_NAMESPACE_CXX11
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#endif /* C++11 && _GLIBCXX_USE_C99 ... */
+#endif /* C++11 */
#if __cplusplus >= 201103L
#undef min
#undef max
+// N.B. these _GLIBCXX_USE_C99_XXX macros are defined unconditionally
+// so they should be tested with #if not with #ifdef.
+#if __cplusplus >= 201103L
+# ifndef _GLIBCXX_USE_C99_MATH
+# define _GLIBCXX_USE_C99_MATH _GLIBCXX11_USE_C99_MATH
+# endif
+# ifndef _GLIBCXX_USE_C99_COMPLEX
+# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX11_USE_C99_COMPLEX
+# endif
+# ifndef _GLIBCXX_USE_C99_STDIO
+# define _GLIBCXX_USE_C99_STDIO _GLIBCXX11_USE_C99_STDIO
+# endif
+# ifndef _GLIBCXX_USE_C99_STDLIB
+# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX11_USE_C99_STDLIB
+# endif
+# ifndef _GLIBCXX_USE_C99_WCHAR
+# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX11_USE_C99_WCHAR
+# endif
+#else
+# ifndef _GLIBCXX_USE_C99_MATH
+# define _GLIBCXX_USE_C99_MATH _GLIBCXX98_USE_C99_MATH
+# endif
+# ifndef _GLIBCXX_USE_C99_COMPLEX
+# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX98_USE_C99_COMPLEX
+# endif
+# ifndef _GLIBCXX_USE_C99_STDIO
+# define _GLIBCXX_USE_C99_STDIO _GLIBCXX98_USE_C99_STDIO
+# endif
+# ifndef _GLIBCXX_USE_C99_STDLIB
+# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX98_USE_C99_STDLIB
+# endif
+# ifndef _GLIBCXX_USE_C99_WCHAR
+# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX98_USE_C99_WCHAR
+# endif
+#endif
+
// End of prewritten config; the settings discovered at configure time follow.
}
// The following code uses vsnprintf (or vsprintf(), when
- // _GLIBCXX_USE_C99 is not defined) to convert floating point values
- // for insertion into a stream. An optimization would be to replace
- // them with code that works directly on a wide buffer and then use
- // __pad to do the padding. It would be good to replace them anyway
- // to gain back the efficiency that C++ provides by knowing up front
- // the type of the values to insert. Also, sprintf is dangerous
- // since may lead to accidental buffer overruns. This
+ // _GLIBCXX_USE_C99_STDIO is not defined) to convert floating point
+ // values for insertion into a stream. An optimization would be to
+ // replace them with code that works directly on a wide buffer and
+ // then use __pad to do the padding. It would be good to replace
+ // them anyway to gain back the efficiency that C++ provides by
+ // knowing up front the type of the values to insert. Also, sprintf
+ // is dangerous since may lead to accidental buffer overruns. This
// implementation follows the C++ standard fairly directly as
// outlined in 22.2.2.2 [lib.locale.num.put]
template<typename _CharT, typename _OutIter>
char __fbuf[16];
__num_base::_S_format_float(__io, __fbuf, __mod);
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
// Precision is always used except for hexfloat format.
const bool __use_prec =
(__io.flags() & ios_base::floatfield) != ios_base::floatfield;
{
const locale __loc = __io.getloc();
const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
// First try a buffer perhaps big enough.
int __cs_size = 64;
char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
case 'S':
// Seconds. [tm_sec]
// [00, 60] in C99 (one leap-second), [00, 61] in C89.
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99
__beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
#else
__beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
using std::floor;
using std::fmod;
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_MATH
using std::fpclassify;
using std::isfinite;
using std::isinf;
using std::wmemset;
using std::wcsftime;
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
using std::wcstold;
using std::wcstoll;
using std::wcstoull;
using ::vsprintf;
} // namespace
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
#undef snprintf
#undef vfscanf
using ::__gnu_cxx::vsscanf;
} // namespace std
-#endif // _GLIBCXX_USE_C99
+#endif // _GLIBCXX_USE_C99_STDIO
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
#undef _Exit
#undef llabs
using ::__gnu_cxx::strtold;
} // namespace std
-#endif // _GLIBCXX_USE_C99
+#endif // _GLIBCXX_USE_C99_STDLIB
#endif // !_GLIBCXX_HOSTED
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
#undef wcstold
#undef wcstoll
using std::vwscanf;
#endif
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
using std::wcstold;
using std::wcstoll;
using std::wcstoull;
using ::vsprintf;
} // namespace std
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
#undef snprintf
#undef vfscanf
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
#undef _Exit
#undef llabs
using ::__gnu_cxx::strtold;
} // namespace std
-#endif // _GLIBCXX_USE_C99
+#endif // _GLIBCXX_USE_C99_STDLIB
#endif // !_GLIBCXX_HOSTED
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
#undef wcstold
#undef wcstoll
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
-#if ((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99))
+#if __cplusplus >= 201103L
#include <ext/string_conversions.h>
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
+#if _GLIBCXX_USE_C99_STDLIB
// 21.4 Numeric Conversions [string.conversions].
inline int
stoi(const __vstring& __str, std::size_t* __idx = 0, int __base = 10)
inline long double
stold(const __vstring& __str, std::size_t* __idx = 0)
{ return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
+#endif // _GLIBCXX_USE_C99_STDLIB
+#if _GLIBCXX_USE_C99_STDIO
// NB: (v)snprintf vs sprintf.
// DR 1261.
return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n,
"%Lf", __val);
}
+#endif // _GLIBCXX_USE_C99_STDIO
-#ifdef _GLIBCXX_USE_WCHAR_T
+#if defined(_GLIBCXX_USE_WCHAR_T) && defined(_GLIBCXX_USE_C99_WCHAR)
inline int
stoi(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
{ return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(),
return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n,
L"%Lf", __val);
}
-#endif
-#endif
+#endif // _GLIBCXX_HAVE_BROKEN_VSWPRINTF
+#endif // _GLIBCXX_USE_WCHAR_T && _GLIBCXX_USE_C99_WCHAR
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
complex<_Tp>
pow(const complex<_Tp>& __x, const _Tp& __y)
{
-#ifndef _GLIBCXX_USE_C99_COMPLEX
+#if ! _GLIBCXX_USE_C99_COMPLEX
if (__x == _Tp())
return _Tp();
#endif
arg(_Tp __x)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
-#if (_GLIBCXX_USE_C99_MATH && !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC)
+#if (_GLIBCXX11_USE_C99_MATH && !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC)
return std::signbit(__x) ? __type(3.1415926535897932384626433832795029L)
: __type();
#else
#include <cstdio>
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
namespace std _GLIBCXX_VISIBILITY(default)
{
#if _GLIBCXX_HOSTED
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
namespace std _GLIBCXX_VISIBILITY(default)
{
}
}
-#endif // _GLIBCXX_USE_C99
+#endif // _GLIBCXX_USE_C99_STDLIB
#endif // _GLIBCXX_HOSTED
using std::vwscanf;
#endif
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
using std::wcstold;
using std::wcstoll;
using std::wcstoull;
#if _GLIBCXX_HOSTED
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
using std::tr1::atoll;
using std::tr1::strtoll;
ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
// Precision is always used except for hexfloat format.
if (__fltfield != (ios_base::fixed | ios_base::scientific))
#endif
*__fptr++ = 'f';
else if (__fltfield == ios_base::scientific)
*__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
else if (__fltfield == (ios_base::fixed | ios_base::scientific))
*__fptr++ = (__flags & ios_base::uppercase) ? 'A' : 'a';
#endif
#include <exception>
#include <stdlib.h>
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
void terminate() { _Exit(0); }
void f() noexcept
int main()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
f();
#endif
return 0;
#include <exception>
#include <stdlib.h>
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
void unexpected() { _Exit(0); }
void f() throw()
int main()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
f();
#endif
}
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
void
test01()
{
-#ifdef _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = true;
using namespace std;
#include <cstdlib>
#include <testsuite_hooks.h>
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
// libstdc++/13943
void test01()
{
int main()
{
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
test01();
#endif
return 0;
void test01()
{
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
typedef std::lldiv_t my_lldiv_t;
-
+
#endif
}
set f [open $src "w"]
puts $f "#include <bits/c++config.h>"
- puts $f "#if !defined(_GLIBCXX_USE_C99) || defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)"
+ puts $f "#if !(_GLIBCXX_USE_C99_STDIO && _GLIBCXX_USE_C99_STDLIB && _GLIBCXX_USE_C99_WCHAR) || defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF)"
puts $f "# error No string conversions"
puts $f "#endif"
close $f
#include <tr1/cmath>
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_MATH
#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
template<typename T>
std::va_list ap;
va_start(ap, dummy);
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
char* s = 0;
const char* cs = 0;
void test01()
{
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
long long i = 0;
const char* s = 0;
void test01()
{
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDLIB
typedef std::tr1::lldiv_t my_lldiv_t;
-
+
#endif
}
ret3 = ret3; // Suppress unused warning.
#endif
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_WCHAR
const wchar_t* nptr2 = 0;
wchar_t** endptr2 = 0;
p = tmp;
#else
char buf[64];
-#if _GLIBCXX_USE_C99
+#if _GLIBCXX_USE_C99_STDIO
std::snprintf(buf, 64, "filesystem-ts-test.%lu", (unsigned long)::getpid());
#else
std::sprintf(buf, "filesystem-ts-test.%lu", (unsigned long)::getpid());
projects / thirdparty / gcc.git / commitdiff
