AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
-# See if we are building gcc with C++.
-# Do this early so setting lang to C++ affects following tests
-AC_ARG_ENABLE(build-with-cxx,
-[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
-ENABLE_BUILD_WITH_CXX=$enableval,
-ENABLE_BUILD_WITH_CXX=no)
-AC_SUBST(ENABLE_BUILD_WITH_CXX)
-
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
# Dependency checking.
ZW_CREATE_DEPDIR
-if test "$ENABLE_BUILD_WITH_CXX" = "no"; then
-ZW_PROG_COMPILER_DEPENDENCIES([CC])
-else
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([[int i;]], [],
[AC_MSG_ERROR([C++ compiler missing or inoperational])])
AC_LANG_POP([C++])
ZW_PROG_COMPILER_DEPENDENCIES([CXX])
-fi
# Checks for header files.
AC_HEADER_TIME
AC_TYPE_SSIZE_T
AC_TYPE_UINTPTR_T
AC_CHECK_TYPE(ptrdiff_t, int)
+AC_TYPE_UINT64_T
+if test x"$ac_cv_c_uint64_t" = x"no"; then
+ AC_MSG_ERROR([uint64_t not found])
+fi
AC_STRUCT_TM
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
# g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which exposes a different
# iconv() prototype.
-AS_IF([test "$ENABLE_BUILD_WITH_CXX" = "yes"],
- [AC_LANG_PUSH([C++])
- AM_ICONV
- AC_LANG_POP([C++])],
- [AM_ICONV])
+AC_LANG_PUSH([C++])
+AM_ICONV
+AC_LANG_POP([C++])
# More defines and substitutions.
PACKAGE="$PACKAGE_TARNAME"
fi
AC_SUBST(MAINT)
-AC_ARG_ENABLE(checking,
-[ --enable-checking enable expensive run-time checks],,
-enable_checking=no)
+# Enable expensive internal checks
+is_release=
+if test -f $srcdir/../gcc/DEV-PHASE \
+ && test x"`cat $srcdir/../gcc/DEV-PHASE`" != xexperimental; then
+ is_release=yes
+fi
-if test $enable_checking != no ; then
- AC_DEFINE(ENABLE_CHECKING, 1,
-[Define if you want more run-time sanity checks.])
+AC_ARG_ENABLE(checking,
+[AS_HELP_STRING([[--enable-checking[=LIST]]],
+ [enable expensive run-time checks. With LIST,
+ enable only specific categories of checks.
+ Categories are: yes,no,all,none,release.
+ Flags are: misc,valgrind or other strings])],
+[ac_checking_flags="${enableval}"],[
+# Determine the default checks.
+if test x$is_release = x ; then
+ ac_checking_flags=yes
+else
+ ac_checking_flags=release
+fi])
+IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
+for check in release $ac_checking_flags
+do
+ case $check in
+ # these set all the flags to specific states
+ yes|all) ac_checking=1 ; ac_assert_checking=1 ; ac_valgrind_checking= ;;
+ no|none) ac_checking= ; ac_assert_checking= ; ac_valgrind_checking= ;;
+ release) ac_checking= ; ac_assert_checking=1 ; ac_valgrind_checking= ;;
+ # these enable particular checks
+ assert) ac_assert_checking=1 ;;
+ misc) ac_checking=1 ;;
+ valgrind) ac_valgrind_checking=1 ;;
+ # accept
+ *) ;;
+ esac
+done
+IFS="$ac_save_IFS"
+
+if test x$ac_checking != x ; then
+ AC_DEFINE(CHECKING_P, 1,
+[Define to 1 if you want more run-time sanity checks.])
+else
+ AC_DEFINE(CHECKING_P, 0)
fi
-m4_changequote(,)
-case $target in
- alpha*-*-* | \
- arm*-*-*eabi* | \
- arm*-*-symbianelf* | \
- x86_64-*-* | \
- ia64-*-* | \
- hppa*64*-*-* | \
- i[34567]86-*-* | x86_64-*-solaris2.1[0-9]* | \
- mips*-*-* | \
- mmix-*-* | \
- powerpc*-*-* | \
- rs6000*-*-* | \
- s390*-*-* | \
- sparc*-*-* | \
- spu-*-* | \
- sh[123456789lbe]*-*-* | sh-*-* | \
- tilegx-*-* | tilepro-*-* )
- need_64bit_hwint=yes ;;
- *)
- need_64bit_hwint=no ;;
-esac
+if test x$ac_assert_checking != x ; then
+ AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
+[Define if you want assertions enabled. This is a cheap check.])
+fi
-case $need_64bit_hwint:$ac_cv_sizeof_long in
- *:8 | no:*) host_wide_int=long ;;
- *) host_wide_int='long long' ;;
-esac
-m4_changequote([,])
+if test x$ac_valgrind_checking != x ; then
+ AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
+[Define if you want to workaround valgrind (a memory checker) warnings about
+ possible memory leaks because of libcpp use of interior pointers.])
+fi
-AC_DEFINE_UNQUOTED(HOST_WIDE_INT, $host_wide_int,
-[Define to the widest efficient host integer type at least
- as wide as the target's size_t type.])
+AC_ARG_ENABLE(canonical-system-headers,
+[ --enable-canonical-system-headers
+ enable or disable system headers canonicalization],
+[],
+enable_canonical_system_headers=yes)
+if test $enable_canonical_system_headers != no; then
+ AC_DEFINE(ENABLE_CANONICAL_SYSTEM_HEADERS,
+ 1, [Define to enable system headers canonicalization.])
+fi
case $target in
i?86-* | x86_64-*)
[Define to 1 if you can assemble SSE4 insns.])])
esac
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
+AC_ARG_ENABLE(valgrind-annotations,
+[AS_HELP_STRING([--enable-valgrind-annotations],
+ [enable valgrind runtime interaction])], [],
+[enable_valgrind_annotations=no])
+if test x$enable_valgrind_annotations != xno \
+ || test x$ac_valgrind_checking != x; then
+ if (test $have_valgrind_h = no \
+ && test $gcc_cv_header_memcheck_h = no \
+ && test $gcc_cv_header_valgrind_memcheck_h = no); then
+ AC_MSG_ERROR([*** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h])
+ fi
+ AC_DEFINE(ENABLE_VALGRIND_ANNOTATIONS, 1,
+[Define to get calls to the valgrind runtime enabled.])
+fi
+
# Output.
AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])