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96b8a615 AJ |
1 | # Process this file with autoconf to produce a configure script, like so: |
2 | # aclocal && autoconf && autoheader && automake | |
3 | ||
df58e648 | 4 | AC_PREREQ(2.64) |
0dce3ca1 | 5 | AC_INIT([GNU Fortran Runtime Library], 0.3,,[libgfortran]) |
96b8a615 | 6 | AC_CONFIG_HEADER(config.h) |
891c05b1 | 7 | GCC_TOPLEV_SUBDIRS |
96b8a615 | 8 | |
96b8a615 AJ |
9 | # ------- |
10 | # Options | |
11 | # ------- | |
12 | ||
13 | AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) | |
14 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
15 | [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], | |
16 | [case "$enableval" in | |
17 | yes) version_specific_libs=yes ;; | |
18 | no) version_specific_libs=no ;; | |
19 | *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; | |
20 | esac], | |
21 | [version_specific_libs=no]) | |
22 | AC_MSG_RESULT($version_specific_libs) | |
23 | ||
b808ac33 BF |
24 | # Build with intermodule optimisations |
25 | AC_MSG_CHECKING([for --enable-intermodule]) | |
26 | AC_ARG_ENABLE(intermodule, | |
27 | [ --enable-intermodule build the library in one step], | |
28 | [case "$enable_intermodule" in | |
29 | yes) onestep="-onestep";; | |
30 | *) onestep="";; | |
31 | esac], | |
32 | [onestep=""]) | |
33 | AC_MSG_RESULT($enable_intermodule) | |
34 | AM_CONDITIONAL(onestep,[test x$onestep = x-onestep]) | |
35 | AC_SUBST(onestep) | |
96b8a615 AJ |
36 | |
37 | # Gets build, host, target, *_vendor, *_cpu, *_os, etc. | |
38 | # | |
39 | # You will slowly go insane if you do not grok the following fact: when | |
40 | # building this library, the top-level /target/ becomes the library's /host/. | |
41 | # | |
42 | # configure then causes --target to default to --host, exactly like any | |
43 | # other package using autoconf. Therefore, 'target' and 'host' will | |
44 | # always be the same. This makes sense both for native and cross compilers | |
45 | # just think about it for a little while. :-) | |
46 | # | |
47 | # Also, if this library is being configured as part of a cross compiler, the | |
48 | # top-level configure script will pass the "real" host as $with_cross_host. | |
49 | # | |
50 | # Do not delete or change the following two lines. For why, see | |
51 | # http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html | |
52 | AC_CANONICAL_SYSTEM | |
53 | target_alias=${target_alias-$host_alias} | |
54 | ||
55 | # Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the | |
56 | # following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. | |
679c0f9a | 57 | # 1.9.6: minimum required version |
96b8a615 AJ |
58 | # no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch |
59 | # of other PACKAGE_* variables will, however, and there's nothing | |
60 | # we can do about that; they come from AC_INIT). | |
61 | # foreign: we don't follow the normal rules for GNU packages (no COPYING | |
62 | # file in the top srcdir, etc, etc), so stop complaining. | |
13917ae3 | 63 | # no-dist: we don't want 'dist' and related rules. |
96b8a615 AJ |
64 | # -Wall: turns on all automake warnings... |
65 | # -Wno-portability: ...except this one, since GNU make is required. | |
13917ae3 | 66 | AM_INIT_AUTOMAKE([1.9.6 no-define foreign no-dist -Wall -Wno-portability]) |
96b8a615 AJ |
67 | |
68 | AM_MAINTAINER_MODE | |
69 | AM_ENABLE_MULTILIB(, ..) | |
70 | ||
71 | # Handy for debugging: | |
72 | #AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5 | |
73 | ||
74 | # Are we being configured with some form of cross compiler? | |
75 | # NB: We don't actually need to know this just now, but when, say, a test | |
76 | # suite is included, we'll have to know. | |
77 | if test "$build" != "$host"; then | |
78 | LIBGFOR_IS_NATIVE=false | |
79 | GCC_NO_EXECUTABLES | |
80 | else | |
81 | LIBGFOR_IS_NATIVE=true | |
82 | fi | |
83 | ||
96b8a615 AJ |
84 | # Calculate toolexeclibdir |
85 | # Also toolexecdir, though it's only used in toolexeclibdir | |
86 | case ${version_specific_libs} in | |
87 | yes) | |
88 | # Need the gcc compiler version to know where to install libraries | |
89 | # and header files if --enable-version-specific-runtime-libs option | |
90 | # is selected. | |
91 | toolexecdir='$(libdir)/gcc/$(target_alias)' | |
140e859c | 92 | toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' |
96b8a615 AJ |
93 | ;; |
94 | no) | |
95 | if test -n "$with_cross_host" && | |
96 | test x"$with_cross_host" != x"no"; then | |
97 | # Install a library built with a cross compiler in tooldir, not libdir. | |
98 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
99 | toolexeclibdir='$(toolexecdir)/lib' | |
100 | else | |
101 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
102 | toolexeclibdir='$(libdir)' | |
103 | fi | |
104 | multi_os_directory=`$CC -print-multi-os-directory` | |
105 | case $multi_os_directory in | |
106 | .) ;; # Avoid trailing /. | |
107 | *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; | |
108 | esac | |
109 | ;; | |
110 | esac | |
111 | AC_SUBST(toolexecdir) | |
112 | AC_SUBST(toolexeclibdir) | |
113 | ||
114 | # Check the compiler. | |
115 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
116 | # We must force CC to /not/ be precious variables; otherwise | |
117 | # the wrong, non-multilib-adjusted value will be used in multilibs. | |
118 | # As a side effect, we have to subst CFLAGS ourselves. | |
119 | ||
120 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
121 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
122 | AC_PROG_CC | |
1b3b24c2 | 123 | m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) |
96b8a615 | 124 | |
17109ecb | 125 | # Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC. |
96b8a615 | 126 | if test "x$GCC" = "xyes"; then |
c3e9b6ab | 127 | AM_FCFLAGS="-I . -Wall -Werror -fimplicit-none -fno-repack-arrays -fno-underscoring" |
e606fb39 AJ |
128 | ## We like to use C99 routines when available. This makes sure that |
129 | ## __STDC_VERSION__ is set such that libc includes make them available. | |
c5f4d1cc | 130 | AM_CFLAGS="-std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings" |
d1f37bc6 RS |
131 | ## Compile the following tests with the same system header contents |
132 | ## that we'll encounter when compiling our own source files. | |
133 | CFLAGS="-std=gnu99 $CFLAGS" | |
96b8a615 | 134 | fi |
e606fb39 AJ |
135 | AC_SUBST(AM_FCFLAGS) |
136 | AC_SUBST(AM_CFLAGS) | |
3d22e001 | 137 | AC_SUBST(CFLAGS) |
96b8a615 | 138 | |
c0e7e2bf JB |
139 | # Check for symbol versioning (copied from libssp). |
140 | AC_MSG_CHECKING([whether symbol versioning is supported]) | |
49ea7a0e RO |
141 | save_LDFLAGS="$LDFLAGS" |
142 | LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map" | |
c0e7e2bf JB |
143 | cat > conftest.map <<EOF |
144 | FOO_1.0 { | |
145 | global: *foo*; bar; local: *; | |
146 | }; | |
147 | EOF | |
49ea7a0e RO |
148 | AC_TRY_LINK([int foo;],[],[gfortran_use_symver=gnu],[gfortran_use_symver=no]) |
149 | if test x$gfortran_use_symver = xno; then | |
faeb4ee3 RO |
150 | case "$target_os" in |
151 | solaris2*) | |
152 | LDFLAGS="$save_LDFLAGS" | |
153 | LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map" | |
154 | # Sun ld cannot handle wildcards and treats all entries as undefined. | |
155 | cat > conftest.map <<EOF | |
49ea7a0e RO |
156 | FOO_1.0 { |
157 | global: foo; local: *; | |
158 | }; | |
159 | EOF | |
faeb4ee3 RO |
160 | AC_TRY_LINK([int foo;],[],[gfortran_use_symver=sun],[gfortran_use_symver=no]) |
161 | ;; | |
162 | esac | |
49ea7a0e | 163 | fi |
c0e7e2bf JB |
164 | LDFLAGS="$save_LDFLAGS" |
165 | AC_MSG_RESULT($gfortran_use_symver) | |
49ea7a0e RO |
166 | AM_CONDITIONAL(LIBGFOR_USE_SYMVER, [test "x$gfortran_use_symver" != xno]) |
167 | AM_CONDITIONAL(LIBGFOR_USE_SYMVER_GNU, [test "x$gfortran_use_symver" = xgnu]) | |
168 | AM_CONDITIONAL(LIBGFOR_USE_SYMVER_SUN, [test "x$gfortran_use_symver" = xsun]) | |
c0e7e2bf | 169 | |
c049309d UW |
170 | # Figure out whether the compiler supports "-ffunction-sections -fdata-sections", |
171 | # similarly to how libstdc++ does it | |
172 | ac_test_CFLAGS="${CFLAGS+set}" | |
173 | ac_save_CFLAGS="$CFLAGS" | |
174 | ||
175 | # Check for -ffunction-sections -fdata-sections | |
176 | AC_MSG_CHECKING([for gcc that supports -ffunction-sections -fdata-sections]) | |
177 | CFLAGS='-Werror -ffunction-sections -fdata-sections' | |
178 | AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no]) | |
179 | if test "$ac_test_CFLAGS" = set; then | |
180 | CFLAGS="$ac_save_CFLAGS" | |
181 | else | |
182 | # this is the suspicious part | |
183 | CFLAGS="" | |
184 | fi | |
185 | if test x"$ac_fdsections" = x"yes"; then | |
186 | SECTION_FLAGS='-ffunction-sections -fdata-sections' | |
187 | fi | |
188 | AC_MSG_RESULT($ac_fdsections) | |
189 | AC_SUBST(SECTION_FLAGS) | |
190 | ||
96b8a615 AJ |
191 | # Find other programs we need. |
192 | AC_CHECK_TOOL(AS, as) | |
193 | AC_CHECK_TOOL(AR, ar) | |
194 | AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) | |
195 | AC_PROG_MAKE_SET | |
196 | AC_PROG_INSTALL | |
197 | ||
198 | # Configure libtool | |
199 | #AC_MSG_NOTICE([====== Starting libtool configuration]) | |
200 | AC_LIBTOOL_DLOPEN | |
201 | AM_PROG_LIBTOOL | |
202 | AC_SUBST(enable_shared) | |
203 | AC_SUBST(enable_static) | |
204 | #AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10 | |
205 | ||
206 | # We need gfortran to compile parts of the library | |
c7a35fe9 AS |
207 | #AC_PROG_FC(gfortran) |
208 | FC="$GFORTRAN" | |
209 | AC_PROG_FC(gfortran) | |
96b8a615 | 210 | |
e87045f3 AP |
211 | # extra LD Flags which are required for targets |
212 | case "${host}" in | |
213 | *-darwin*) | |
214 | # Darwin needs -single_module when linking libgfortran | |
215 | extra_ldflags_libgfortran=-Wl,-single_module | |
216 | ;; | |
217 | esac | |
218 | AC_SUBST(extra_ldflags_libgfortran) | |
219 | ||
15e92535 FXC |
220 | # We need a working compiler at that point, otherwise give a clear |
221 | # error message and bail out. | |
222 | LIBGFOR_WORKING_GFORTRAN | |
223 | ||
9cdc381b | 224 | AC_SYS_LARGEFILE |
96b8a615 AJ |
225 | AC_TYPE_OFF_T |
226 | ||
227 | # check header files | |
228 | AC_STDC_HEADERS | |
a63a0959 | 229 | AC_HEADER_TIME |
d8163f5c | 230 | AC_HAVE_HEADERS(stdio.h stdlib.h string.h unistd.h signal.h stdarg.h) |
5e9f08ba | 231 | AC_CHECK_HEADERS(time.h sys/time.h sys/times.h sys/resource.h) |
a119fc1c | 232 | AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/wait.h floatingpoint.h ieeefp.h) |
6422c112 | 233 | AC_CHECK_HEADERS(fenv.h fptrap.h float.h execinfo.h pwd.h) |
96b8a615 | 234 | AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])]) |
4c4b3eb0 | 235 | GCC_HEADER_STDINT(gstdint.h) |
96b8a615 | 236 | |
df65f093 SK |
237 | AC_CHECK_MEMBERS([struct stat.st_blksize]) |
238 | AC_CHECK_MEMBERS([struct stat.st_blocks]) | |
239 | AC_CHECK_MEMBERS([struct stat.st_rdev]) | |
240 | ||
96b8a615 | 241 | # Check for library functions. |
32aa3bff | 242 | AC_CHECK_FUNCS(getrusage times mkstemp strtof strtold snprintf ftruncate chsize) |
f77b6ca3 | 243 | AC_CHECK_FUNCS(chdir strerror getlogin gethostname kill link symlink perror) |
a119fc1c | 244 | AC_CHECK_FUNCS(sleep time ttyname signal alarm ctime clock access fork execl) |
868d75db | 245 | AC_CHECK_FUNCS(wait setmode execvp pipe dup2 close fdopen strcasestr getrlimit) |
2515e5a7 | 246 | AC_CHECK_FUNCS(gettimeofday stat fstat lstat getpwuid vsnprintf dup getcwd) |
2017c370 | 247 | AC_CHECK_FUNCS(localtime_r gmtime_r) |
868d75db FXC |
248 | |
249 | # Check for glibc backtrace functions | |
250 | AC_CHECK_FUNCS(backtrace backtrace_symbols) | |
96b8a615 | 251 | |
28f8c9e9 FXC |
252 | # Check for types |
253 | AC_CHECK_TYPES([intptr_t]) | |
c7d0f4d5 | 254 | AC_CHECK_TYPES([uintptr_t]) |
28f8c9e9 | 255 | |
4c0c6b9f SK |
256 | # Check libc for getgid, getpid, getuid |
257 | AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])]) | |
258 | AC_CHECK_LIB([c],[getpid],[AC_DEFINE([HAVE_GETPID],[1],[libc includes getpid])]) | |
868d75db | 259 | AC_CHECK_LIB([c],[getppid],[AC_DEFINE([HAVE_GETPPID],[1],[libc includes getppid])]) |
4c0c6b9f | 260 | AC_CHECK_LIB([c],[getuid],[AC_DEFINE([HAVE_GETUID],[1],[libc includes getuid])]) |
6422c112 | 261 | AC_CHECK_LIB([c],[geteuid],[AC_DEFINE([HAVE_GETEUID],[1],[libc includes geteuid])]) |
4c0c6b9f | 262 | |
453310d8 RS |
263 | # Check for C99 (and other IEEE) math functions |
264 | AC_CHECK_LIB([m],[acosf],[AC_DEFINE([HAVE_ACOSF],[1],[libm includes acosf])]) | |
1409cd0b FXC |
265 | AC_CHECK_LIB([m],[acos],[AC_DEFINE([HAVE_ACOS],[1],[libm includes acos])]) |
266 | AC_CHECK_LIB([m],[acosl],[AC_DEFINE([HAVE_ACOSL],[1],[libm includes acosl])]) | |
f02d008e | 267 | AC_CHECK_LIB([m],[acoshf],[AC_DEFINE([HAVE_ACOSHF],[1],[libm includes acoshf])]) |
1409cd0b FXC |
268 | AC_CHECK_LIB([m],[acosh],[AC_DEFINE([HAVE_ACOSH],[1],[libm includes acosh])]) |
269 | AC_CHECK_LIB([m],[acoshl],[AC_DEFINE([HAVE_ACOSHL],[1],[libm includes acoshl])]) | |
453310d8 | 270 | AC_CHECK_LIB([m],[asinf],[AC_DEFINE([HAVE_ASINF],[1],[libm includes asinf])]) |
1409cd0b FXC |
271 | AC_CHECK_LIB([m],[asin],[AC_DEFINE([HAVE_ASIN],[1],[libm includes asin])]) |
272 | AC_CHECK_LIB([m],[asinl],[AC_DEFINE([HAVE_ASINL],[1],[libm includes asinl])]) | |
f02d008e | 273 | AC_CHECK_LIB([m],[asinhf],[AC_DEFINE([HAVE_ASINHF],[1],[libm includes asinhf])]) |
1409cd0b FXC |
274 | AC_CHECK_LIB([m],[asinh],[AC_DEFINE([HAVE_ASINH],[1],[libm includes asinh])]) |
275 | AC_CHECK_LIB([m],[asinhl],[AC_DEFINE([HAVE_ASINHL],[1],[libm includes asinhl])]) | |
453310d8 | 276 | AC_CHECK_LIB([m],[atan2f],[AC_DEFINE([HAVE_ATAN2F],[1],[libm includes atan2f])]) |
1409cd0b FXC |
277 | AC_CHECK_LIB([m],[atan2],[AC_DEFINE([HAVE_ATAN2],[1],[libm includes atan2])]) |
278 | AC_CHECK_LIB([m],[atan2l],[AC_DEFINE([HAVE_ATAN2L],[1],[libm includes atan2l])]) | |
453310d8 | 279 | AC_CHECK_LIB([m],[atanf],[AC_DEFINE([HAVE_ATANF],[1],[libm includes atanf])]) |
1409cd0b FXC |
280 | AC_CHECK_LIB([m],[atan],[AC_DEFINE([HAVE_ATAN],[1],[libm includes atan])]) |
281 | AC_CHECK_LIB([m],[atanl],[AC_DEFINE([HAVE_ATANL],[1],[libm includes atanl])]) | |
f02d008e | 282 | AC_CHECK_LIB([m],[atanhf],[AC_DEFINE([HAVE_ATANHF],[1],[libm includes atanhf])]) |
1409cd0b FXC |
283 | AC_CHECK_LIB([m],[atanh],[AC_DEFINE([HAVE_ATANH],[1],[libm includes atanh])]) |
284 | AC_CHECK_LIB([m],[atanhl],[AC_DEFINE([HAVE_ATANHL],[1],[libm includes atanhl])]) | |
285 | AC_CHECK_LIB([m],[cargf],[AC_DEFINE([HAVE_CARGF],[1],[libm includes cargf])]) | |
286 | AC_CHECK_LIB([m],[carg],[AC_DEFINE([HAVE_CARG],[1],[libm includes carg])]) | |
287 | AC_CHECK_LIB([m],[cargl],[AC_DEFINE([HAVE_CARGL],[1],[libm includes cargl])]) | |
453310d8 | 288 | AC_CHECK_LIB([m],[ceilf],[AC_DEFINE([HAVE_CEILF],[1],[libm includes ceilf])]) |
1409cd0b FXC |
289 | AC_CHECK_LIB([m],[ceil],[AC_DEFINE([HAVE_CEIL],[1],[libm includes ceil])]) |
290 | AC_CHECK_LIB([m],[ceill],[AC_DEFINE([HAVE_CEILL],[1],[libm includes ceill])]) | |
453310d8 | 291 | AC_CHECK_LIB([m],[copysignf],[AC_DEFINE([HAVE_COPYSIGNF],[1],[libm includes copysignf])]) |
1409cd0b FXC |
292 | AC_CHECK_LIB([m],[copysign],[AC_DEFINE([HAVE_COPYSIGN],[1],[libm includes copysign])]) |
293 | AC_CHECK_LIB([m],[copysignl],[AC_DEFINE([HAVE_COPYSIGNL],[1],[libm includes copysignl])]) | |
453310d8 | 294 | AC_CHECK_LIB([m],[cosf],[AC_DEFINE([HAVE_COSF],[1],[libm includes cosf])]) |
1409cd0b FXC |
295 | AC_CHECK_LIB([m],[cos],[AC_DEFINE([HAVE_COS],[1],[libm includes cos])]) |
296 | AC_CHECK_LIB([m],[cosl],[AC_DEFINE([HAVE_COSL],[1],[libm includes cosl])]) | |
297 | AC_CHECK_LIB([m],[ccosf],[AC_DEFINE([HAVE_CCOSF],[1],[libm includes ccosf])]) | |
298 | AC_CHECK_LIB([m],[ccos],[AC_DEFINE([HAVE_CCOS],[1],[libm includes ccos])]) | |
299 | AC_CHECK_LIB([m],[ccosl],[AC_DEFINE([HAVE_CCOSL],[1],[libm includes ccosl])]) | |
453310d8 | 300 | AC_CHECK_LIB([m],[coshf],[AC_DEFINE([HAVE_COSHF],[1],[libm includes coshf])]) |
1409cd0b FXC |
301 | AC_CHECK_LIB([m],[cosh],[AC_DEFINE([HAVE_COSH],[1],[libm includes cosh])]) |
302 | AC_CHECK_LIB([m],[coshl],[AC_DEFINE([HAVE_COSHL],[1],[libm includes coshl])]) | |
303 | AC_CHECK_LIB([m],[ccoshf],[AC_DEFINE([HAVE_CCOSHF],[1],[libm includes ccoshf])]) | |
304 | AC_CHECK_LIB([m],[ccosh],[AC_DEFINE([HAVE_CCOSH],[1],[libm includes ccosh])]) | |
305 | AC_CHECK_LIB([m],[ccoshl],[AC_DEFINE([HAVE_CCOSHL],[1],[libm includes ccoshl])]) | |
453310d8 | 306 | AC_CHECK_LIB([m],[expf],[AC_DEFINE([HAVE_EXPF],[1],[libm includes expf])]) |
1409cd0b FXC |
307 | AC_CHECK_LIB([m],[exp],[AC_DEFINE([HAVE_EXP],[1],[libm includes exp])]) |
308 | AC_CHECK_LIB([m],[expl],[AC_DEFINE([HAVE_EXPL],[1],[libm includes expl])]) | |
309 | AC_CHECK_LIB([m],[cexpf],[AC_DEFINE([HAVE_CEXPF],[1],[libm includes cexpf])]) | |
310 | AC_CHECK_LIB([m],[cexp],[AC_DEFINE([HAVE_CEXP],[1],[libm includes cexp])]) | |
311 | AC_CHECK_LIB([m],[cexpl],[AC_DEFINE([HAVE_CEXPL],[1],[libm includes cexpl])]) | |
6e4d9244 | 312 | AC_CHECK_LIB([m],[fabsf],[AC_DEFINE([HAVE_FABSF],[1],[libm includes fabsf])]) |
1409cd0b FXC |
313 | AC_CHECK_LIB([m],[fabs],[AC_DEFINE([HAVE_FABS],[1],[libm includes fabs])]) |
314 | AC_CHECK_LIB([m],[fabsl],[AC_DEFINE([HAVE_FABSL],[1],[libm includes fabsl])]) | |
315 | AC_CHECK_LIB([m],[cabsf],[AC_DEFINE([HAVE_CABSF],[1],[libm includes cabsf])]) | |
316 | AC_CHECK_LIB([m],[cabs],[AC_DEFINE([HAVE_CABS],[1],[libm includes cabs])]) | |
317 | AC_CHECK_LIB([m],[cabsl],[AC_DEFINE([HAVE_CABSL],[1],[libm includes cabsl])]) | |
453310d8 | 318 | AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])]) |
1409cd0b FXC |
319 | AC_CHECK_LIB([m],[floor],[AC_DEFINE([HAVE_FLOOR],[1],[libm includes floor])]) |
320 | AC_CHECK_LIB([m],[floorl],[AC_DEFINE([HAVE_FLOORL],[1],[libm includes floorl])]) | |
eb647f7d FXC |
321 | AC_CHECK_LIB([m],[fmodf],[AC_DEFINE([HAVE_FMODF],[1],[libm includes fmodf])]) |
322 | AC_CHECK_LIB([m],[fmod],[AC_DEFINE([HAVE_FMOD],[1],[libm includes fmod])]) | |
323 | AC_CHECK_LIB([m],[fmodl],[AC_DEFINE([HAVE_FMODL],[1],[libm includes fmodl])]) | |
453310d8 | 324 | AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])]) |
1409cd0b FXC |
325 | AC_CHECK_LIB([m],[frexp],[AC_DEFINE([HAVE_FREXP],[1],[libm includes frexp])]) |
326 | AC_CHECK_LIB([m],[frexpl],[AC_DEFINE([HAVE_FREXPL],[1],[libm includes frexpl])]) | |
453310d8 | 327 | AC_CHECK_LIB([m],[hypotf],[AC_DEFINE([HAVE_HYPOTF],[1],[libm includes hypotf])]) |
1409cd0b FXC |
328 | AC_CHECK_LIB([m],[hypot],[AC_DEFINE([HAVE_HYPOT],[1],[libm includes hypot])]) |
329 | AC_CHECK_LIB([m],[hypotl],[AC_DEFINE([HAVE_HYPOTL],[1],[libm includes hypotl])]) | |
cc6d3bde SK |
330 | AC_CHECK_LIB([m],[ldexpf],[AC_DEFINE([HAVE_LDEXPF],[1],[libm includes ldexpf])]) |
331 | AC_CHECK_LIB([m],[ldexp],[AC_DEFINE([HAVE_LDEXP],[1],[libm includes ldexp])]) | |
332 | AC_CHECK_LIB([m],[ldexpl],[AC_DEFINE([HAVE_LDEXPL],[1],[libm includes ldexpl])]) | |
453310d8 | 333 | AC_CHECK_LIB([m],[logf],[AC_DEFINE([HAVE_LOGF],[1],[libm includes logf])]) |
1409cd0b FXC |
334 | AC_CHECK_LIB([m],[log],[AC_DEFINE([HAVE_LOG],[1],[libm includes log])]) |
335 | AC_CHECK_LIB([m],[logl],[AC_DEFINE([HAVE_LOGL],[1],[libm includes logl])]) | |
336 | AC_CHECK_LIB([m],[clogf],[AC_DEFINE([HAVE_CLOGF],[1],[libm includes clogf])]) | |
337 | AC_CHECK_LIB([m],[clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])]) | |
338 | AC_CHECK_LIB([m],[clogl],[AC_DEFINE([HAVE_CLOGL],[1],[libm includes clogl])]) | |
453310d8 | 339 | AC_CHECK_LIB([m],[log10f],[AC_DEFINE([HAVE_LOG10F],[1],[libm includes log10f])]) |
1409cd0b | 340 | AC_CHECK_LIB([m],[log10],[AC_DEFINE([HAVE_LOG10],[1],[libm includes log10])]) |
32aa3bff | 341 | AC_CHECK_LIB([m],[log10l],[AC_DEFINE([HAVE_LOG10L],[1],[libm includes log10l])]) |
1409cd0b FXC |
342 | AC_CHECK_LIB([m],[clog10f],[AC_DEFINE([HAVE_CLOG10F],[1],[libm includes clog10f])]) |
343 | AC_CHECK_LIB([m],[clog10],[AC_DEFINE([HAVE_CLOG10],[1],[libm includes clog10])]) | |
344 | AC_CHECK_LIB([m],[clog10l],[AC_DEFINE([HAVE_CLOG10L],[1],[libm includes clog10l])]) | |
a9e7b9d3 | 345 | AC_CHECK_LIB([m],[nextafterf],[AC_DEFINE([HAVE_NEXTAFTERF],[1],[libm includes nextafterf])]) |
1409cd0b FXC |
346 | AC_CHECK_LIB([m],[nextafter],[AC_DEFINE([HAVE_NEXTAFTER],[1],[libm includes nextafter])]) |
347 | AC_CHECK_LIB([m],[nextafterl],[AC_DEFINE([HAVE_NEXTAFTERL],[1],[libm includes nextafterl])]) | |
bf4d99cf | 348 | AC_CHECK_LIB([m],[powf],[AC_DEFINE([HAVE_POWF],[1],[libm includes powf])]) |
1409cd0b FXC |
349 | AC_CHECK_LIB([m],[pow],[AC_DEFINE([HAVE_POW],[1],[libm includes pow])]) |
350 | AC_CHECK_LIB([m],[powl],[AC_DEFINE([HAVE_POWL],[1],[libm includes powl])]) | |
351 | AC_CHECK_LIB([m],[cpowf],[AC_DEFINE([HAVE_CPOWF],[1],[libm includes cpowf])]) | |
352 | AC_CHECK_LIB([m],[cpow],[AC_DEFINE([HAVE_CPOW],[1],[libm includes cpow])]) | |
353 | AC_CHECK_LIB([m],[cpowl],[AC_DEFINE([HAVE_CPOWL],[1],[libm includes cpowl])]) | |
453310d8 | 354 | AC_CHECK_LIB([m],[roundf],[AC_DEFINE([HAVE_ROUNDF],[1],[libm includes roundf])]) |
1409cd0b FXC |
355 | AC_CHECK_LIB([m],[round],[AC_DEFINE([HAVE_ROUND],[1],[libm includes round])]) |
356 | AC_CHECK_LIB([m],[roundl],[AC_DEFINE([HAVE_ROUNDL],[1],[libm includes roundl])]) | |
94f548c2 FXC |
357 | AC_CHECK_LIB([m],[lroundf],[AC_DEFINE([HAVE_LROUNDF],[1],[libm includes lroundf])]) |
358 | AC_CHECK_LIB([m],[lround],[AC_DEFINE([HAVE_LROUND],[1],[libm includes lround])]) | |
359 | AC_CHECK_LIB([m],[lroundl],[AC_DEFINE([HAVE_LROUNDL],[1],[libm includes lroundl])]) | |
360 | AC_CHECK_LIB([m],[llroundf],[AC_DEFINE([HAVE_LLROUNDF],[1],[libm includes llroundf])]) | |
361 | AC_CHECK_LIB([m],[llround],[AC_DEFINE([HAVE_LLROUND],[1],[libm includes llround])]) | |
362 | AC_CHECK_LIB([m],[llroundl],[AC_DEFINE([HAVE_LLROUNDL],[1],[libm includes llroundl])]) | |
453310d8 | 363 | AC_CHECK_LIB([m],[scalbnf],[AC_DEFINE([HAVE_SCALBNF],[1],[libm includes scalbnf])]) |
ae973d6a | 364 | AC_CHECK_LIB([m],[scalbn],[AC_DEFINE([HAVE_SCALBN],[1],[libm includes scalbn])]) |
1409cd0b | 365 | AC_CHECK_LIB([m],[scalbnl],[AC_DEFINE([HAVE_SCALBNL],[1],[libm includes scalbnl])]) |
453310d8 | 366 | AC_CHECK_LIB([m],[sinf],[AC_DEFINE([HAVE_SINF],[1],[libm includes sinf])]) |
1409cd0b FXC |
367 | AC_CHECK_LIB([m],[sin],[AC_DEFINE([HAVE_SIN],[1],[libm includes sin])]) |
368 | AC_CHECK_LIB([m],[sinl],[AC_DEFINE([HAVE_SINL],[1],[libm includes sinl])]) | |
369 | AC_CHECK_LIB([m],[csinf],[AC_DEFINE([HAVE_CSINF],[1],[libm includes csinf])]) | |
370 | AC_CHECK_LIB([m],[csin],[AC_DEFINE([HAVE_CSIN],[1],[libm includes csin])]) | |
371 | AC_CHECK_LIB([m],[csinl],[AC_DEFINE([HAVE_CSINL],[1],[libm includes csinl])]) | |
453310d8 | 372 | AC_CHECK_LIB([m],[sinhf],[AC_DEFINE([HAVE_SINHF],[1],[libm includes sinhf])]) |
1409cd0b FXC |
373 | AC_CHECK_LIB([m],[sinh],[AC_DEFINE([HAVE_SINH],[1],[libm includes sinh])]) |
374 | AC_CHECK_LIB([m],[sinhl],[AC_DEFINE([HAVE_SINHL],[1],[libm includes sinhl])]) | |
375 | AC_CHECK_LIB([m],[csinhf],[AC_DEFINE([HAVE_CSINHF],[1],[libm includes csinhf])]) | |
376 | AC_CHECK_LIB([m],[csinh],[AC_DEFINE([HAVE_CSINH],[1],[libm includes csinh])]) | |
377 | AC_CHECK_LIB([m],[csinhl],[AC_DEFINE([HAVE_CSINHL],[1],[libm includes csinhl])]) | |
453310d8 | 378 | AC_CHECK_LIB([m],[sqrtf],[AC_DEFINE([HAVE_SQRTF],[1],[libm includes sqrtf])]) |
1409cd0b FXC |
379 | AC_CHECK_LIB([m],[sqrt],[AC_DEFINE([HAVE_SQRT],[1],[libm includes sqrt])]) |
380 | AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])]) | |
381 | AC_CHECK_LIB([m],[csqrtf],[AC_DEFINE([HAVE_CSQRTF],[1],[libm includes csqrtf])]) | |
382 | AC_CHECK_LIB([m],[csqrt],[AC_DEFINE([HAVE_CSQRT],[1],[libm includes csqrt])]) | |
383 | AC_CHECK_LIB([m],[csqrtl],[AC_DEFINE([HAVE_CSQRTL],[1],[libm includes csqrtl])]) | |
453310d8 | 384 | AC_CHECK_LIB([m],[tanf],[AC_DEFINE([HAVE_TANF],[1],[libm includes tanf])]) |
1409cd0b FXC |
385 | AC_CHECK_LIB([m],[tan],[AC_DEFINE([HAVE_TAN],[1],[libm includes tan])]) |
386 | AC_CHECK_LIB([m],[tanl],[AC_DEFINE([HAVE_TANL],[1],[libm includes tanl])]) | |
387 | AC_CHECK_LIB([m],[ctanf],[AC_DEFINE([HAVE_CTANF],[1],[libm includes ctanf])]) | |
388 | AC_CHECK_LIB([m],[ctan],[AC_DEFINE([HAVE_CTAN],[1],[libm includes ctan])]) | |
389 | AC_CHECK_LIB([m],[ctanl],[AC_DEFINE([HAVE_CTANL],[1],[libm includes ctanl])]) | |
453310d8 | 390 | AC_CHECK_LIB([m],[tanhf],[AC_DEFINE([HAVE_TANHF],[1],[libm includes tanhf])]) |
1409cd0b FXC |
391 | AC_CHECK_LIB([m],[tanh],[AC_DEFINE([HAVE_TANH],[1],[libm includes tanh])]) |
392 | AC_CHECK_LIB([m],[tanhl],[AC_DEFINE([HAVE_TANHL],[1],[libm includes tanhl])]) | |
393 | AC_CHECK_LIB([m],[ctanhf],[AC_DEFINE([HAVE_CTANHF],[1],[libm includes ctanhf])]) | |
394 | AC_CHECK_LIB([m],[ctanh],[AC_DEFINE([HAVE_CTANH],[1],[libm includes ctanh])]) | |
395 | AC_CHECK_LIB([m],[ctanhl],[AC_DEFINE([HAVE_CTANHL],[1],[libm includes ctanhl])]) | |
69a2d125 | 396 | AC_CHECK_LIB([m],[truncf],[AC_DEFINE([HAVE_TRUNCF],[1],[libm includes truncf])]) |
1409cd0b FXC |
397 | AC_CHECK_LIB([m],[trunc],[AC_DEFINE([HAVE_TRUNC],[1],[libm includes trunc])]) |
398 | AC_CHECK_LIB([m],[truncl],[AC_DEFINE([HAVE_TRUNCL],[1],[libm includes truncl])]) | |
399 | AC_CHECK_LIB([m],[erff],[AC_DEFINE([HAVE_ERFF],[1],[libm includes erff])]) | |
e8525382 | 400 | AC_CHECK_LIB([m],[erf],[AC_DEFINE([HAVE_ERF],[1],[libm includes erf])]) |
1409cd0b | 401 | AC_CHECK_LIB([m],[erfl],[AC_DEFINE([HAVE_ERFL],[1],[libm includes erfl])]) |
e8525382 | 402 | AC_CHECK_LIB([m],[erfcf],[AC_DEFINE([HAVE_ERFCF],[1],[libm includes erfcf])]) |
1409cd0b FXC |
403 | AC_CHECK_LIB([m],[erfc],[AC_DEFINE([HAVE_ERFC],[1],[libm includes erfc])]) |
404 | AC_CHECK_LIB([m],[erfcl],[AC_DEFINE([HAVE_ERFCL],[1],[libm includes erfcl])]) | |
e8525382 | 405 | AC_CHECK_LIB([m],[j0f],[AC_DEFINE([HAVE_J0F],[1],[libm includes j0f])]) |
1409cd0b FXC |
406 | AC_CHECK_LIB([m],[j0],[AC_DEFINE([HAVE_J0],[1],[libm includes j0])]) |
407 | AC_CHECK_LIB([m],[j0l],[AC_DEFINE([HAVE_J0L],[1],[libm includes j0l])]) | |
e8525382 | 408 | AC_CHECK_LIB([m],[j1f],[AC_DEFINE([HAVE_J1F],[1],[libm includes j1f])]) |
1409cd0b FXC |
409 | AC_CHECK_LIB([m],[j1],[AC_DEFINE([HAVE_J1],[1],[libm includes j1])]) |
410 | AC_CHECK_LIB([m],[j1l],[AC_DEFINE([HAVE_J1L],[1],[libm includes j1l])]) | |
e8525382 | 411 | AC_CHECK_LIB([m],[jnf],[AC_DEFINE([HAVE_JNF],[1],[libm includes jnf])]) |
1409cd0b FXC |
412 | AC_CHECK_LIB([m],[jn],[AC_DEFINE([HAVE_JN],[1],[libm includes jn])]) |
413 | AC_CHECK_LIB([m],[jnl],[AC_DEFINE([HAVE_JNL],[1],[libm includes jnl])]) | |
e8525382 | 414 | AC_CHECK_LIB([m],[y0f],[AC_DEFINE([HAVE_Y0F],[1],[libm includes y0f])]) |
1409cd0b FXC |
415 | AC_CHECK_LIB([m],[y0],[AC_DEFINE([HAVE_Y0],[1],[libm includes y0])]) |
416 | AC_CHECK_LIB([m],[y0l],[AC_DEFINE([HAVE_Y0L],[1],[libm includes y0l])]) | |
e8525382 | 417 | AC_CHECK_LIB([m],[y1f],[AC_DEFINE([HAVE_Y1F],[1],[libm includes y1f])]) |
1409cd0b FXC |
418 | AC_CHECK_LIB([m],[y1],[AC_DEFINE([HAVE_Y1],[1],[libm includes y1])]) |
419 | AC_CHECK_LIB([m],[y1l],[AC_DEFINE([HAVE_Y1L],[1],[libm includes y1l])]) | |
e8525382 | 420 | AC_CHECK_LIB([m],[ynf],[AC_DEFINE([HAVE_YNF],[1],[libm includes ynf])]) |
1409cd0b FXC |
421 | AC_CHECK_LIB([m],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])]) |
422 | AC_CHECK_LIB([m],[ynl],[AC_DEFINE([HAVE_YNL],[1],[libm includes ynl])]) | |
fb0a0e15 FXC |
423 | AC_CHECK_LIB([m],[tgamma],[AC_DEFINE([HAVE_TGAMMA],[1],[libm includes tgamma])]) |
424 | AC_CHECK_LIB([m],[tgammaf],[AC_DEFINE([HAVE_TGAMMAF],[1],[libm includes tgammaf])]) | |
425 | AC_CHECK_LIB([m],[tgammal],[AC_DEFINE([HAVE_TGAMMAL],[1],[libm includes tgammal])]) | |
426 | AC_CHECK_LIB([m],[lgamma],[AC_DEFINE([HAVE_LGAMMA],[1],[libm includes lgamma])]) | |
427 | AC_CHECK_LIB([m],[lgammaf],[AC_DEFINE([HAVE_LGAMMAF],[1],[libm includes lgammaf])]) | |
428 | AC_CHECK_LIB([m],[lgammal],[AC_DEFINE([HAVE_LGAMMAL],[1],[libm includes lgammal])]) | |
a2a2059f | 429 | |
db1cf15c IS |
430 | # Check for GFORTRAN_C99_1.1 funcs |
431 | AC_CHECK_LIB([m],[cacos],[AC_DEFINE([HAVE_CACOS],[1],[libm includes cacos])]) | |
432 | AC_CHECK_LIB([m],[cacosf],[AC_DEFINE([HAVE_CACOSF],[1],[libm includes cacosf])]) | |
433 | AC_CHECK_LIB([m],[cacosh],[AC_DEFINE([HAVE_CACOSH],[1],[libm includes cacosh])]) | |
434 | AC_CHECK_LIB([m],[cacoshf],[AC_DEFINE([HAVE_CACOSHF],[1],[libm includes cacoshf])]) | |
435 | AC_CHECK_LIB([m],[cacoshl],[AC_DEFINE([HAVE_CACOSHL],[1],[libm includes cacoshl])]) | |
436 | AC_CHECK_LIB([m],[cacosl],[AC_DEFINE([HAVE_CACOSL],[1],[libm includes cacosl])]) | |
437 | AC_CHECK_LIB([m],[casin],[AC_DEFINE([HAVE_CASIN],[1],[libm includes casin])]) | |
438 | AC_CHECK_LIB([m],[casinf],[AC_DEFINE([HAVE_CASINF],[1],[libm includes casinf])]) | |
439 | AC_CHECK_LIB([m],[casinh],[AC_DEFINE([HAVE_CASINH],[1],[libm includes casinh])]) | |
440 | AC_CHECK_LIB([m],[casinhf],[AC_DEFINE([HAVE_CASINHF],[1],[libm includes casinhf])]) | |
441 | AC_CHECK_LIB([m],[casinhl],[AC_DEFINE([HAVE_CASINHL],[1],[libm includes casinhl])]) | |
442 | AC_CHECK_LIB([m],[casinl],[AC_DEFINE([HAVE_CASINL],[1],[libm includes casinl])]) | |
443 | AC_CHECK_LIB([m],[catan],[AC_DEFINE([HAVE_CATAN],[1],[libm includes catan])]) | |
444 | AC_CHECK_LIB([m],[catanf],[AC_DEFINE([HAVE_CATANF],[1],[libm includes catanf])]) | |
445 | AC_CHECK_LIB([m],[catanh],[AC_DEFINE([HAVE_CATANH],[1],[libm includes catanh])]) | |
446 | AC_CHECK_LIB([m],[catanhf],[AC_DEFINE([HAVE_CATANHF],[1],[libm includes catanhf])]) | |
447 | AC_CHECK_LIB([m],[catanhl],[AC_DEFINE([HAVE_CATANHL],[1],[libm includes catanhl])]) | |
448 | AC_CHECK_LIB([m],[catanl],[AC_DEFINE([HAVE_CATANL],[1],[libm includes catanl])]) | |
449 | ||
e097b4f1 DE |
450 | # On AIX, clog is present in libm as __clog |
451 | AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])]) | |
452 | ||
118ea208 SE |
453 | # Check for a isfinite macro that works on long doubles. |
454 | LIBGFOR_CHECK_FOR_BROKEN_ISFINITE | |
455 | ||
456 | # Check for a isnan macro that works on long doubles. | |
457 | LIBGFOR_CHECK_FOR_BROKEN_ISNAN | |
458 | ||
459 | # Check for a fpclassify macro that works on long doubles. | |
460 | LIBGFOR_CHECK_FOR_BROKEN_FPCLASSIFY | |
461 | ||
ad238e4f FXC |
462 | # Check whether the system has a working stat() |
463 | LIBGFOR_CHECK_WORKING_STAT | |
464 | ||
db8092dc FXC |
465 | # Check whether __mingw_snprintf() is present |
466 | LIBGFOR_CHECK_MINGW_SNPRINTF | |
467 | ||
c0c3c409 JDA |
468 | # Check for a broken powf implementation |
469 | LIBGFOR_CHECK_FOR_BROKEN_POWF | |
470 | ||
944b8b35 FXC |
471 | # Check for GNU libc feenableexcept |
472 | AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])]) | |
473 | ||
3b14f664 FXC |
474 | # Check for SysV fpsetmask |
475 | LIBGFOR_CHECK_FPSETMASK | |
476 | ||
477 | # Check for AIX fp_trap and fp_enable | |
478 | AC_CHECK_FUNC([fp_trap],[have_fp_trap=yes AC_DEFINE([HAVE_FP_TRAP],[1],[fp_trap is present])]) | |
479 | AC_CHECK_FUNC([fp_enable],[have_fp_enable=yes AC_DEFINE([HAVE_FP_ENABLE],[1],[fp_enable is present])]) | |
480 | ||
944b8b35 FXC |
481 | # Runs configure.host to set up necessary host-dependent shell variables. |
482 | # We then display a message about it, and propagate them through the | |
483 | # build chain. | |
484 | . ${srcdir}/configure.host | |
485 | AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h]) | |
486 | FPU_HOST_HEADER=config/${fpu_host}.h | |
487 | AC_SUBST(FPU_HOST_HEADER) | |
488 | ||
9fc77574 KK |
489 | # Some targets require additional compiler options for IEEE compatibility. |
490 | IEEE_FLAGS="${ieee_flags}" | |
491 | AC_SUBST(IEEE_FLAGS) | |
492 | ||
7d7b8bfe RH |
493 | # Check out attribute support. |
494 | LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY | |
495 | LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT | |
496 | LIBGFOR_CHECK_ATTRIBUTE_ALIAS | |
497 | ||
5e805e44 JJ |
498 | # Check out sync builtins support. |
499 | LIBGFOR_CHECK_SYNC_FETCH_AND_ADD | |
500 | ||
501 | # Check out thread support. | |
502 | LIBGFOR_CHECK_GTHR_DEFAULT | |
503 | ||
504 | # Check out #pragma weak. | |
e669bd2b | 505 | LIBGFOR_GTHREAD_WEAK |
5e805e44 | 506 | |
10c682a0 FXC |
507 | # Various other checks on target |
508 | LIBGFOR_CHECK_UNLINK_OPEN_FILE | |
509 | ||
3c127520 FXC |
510 | # Check whether line terminator is LF or CRLF |
511 | LIBGFOR_CHECK_CRLF | |
512 | ||
96b8a615 AJ |
513 | AC_CACHE_SAVE |
514 | ||
515 | if test ${multilib} = yes; then | |
516 | multilib_arg="--enable-multilib" | |
517 | else | |
518 | multilib_arg= | |
519 | fi | |
520 | ||
521 | # Write our Makefile. | |
522 | AC_CONFIG_FILES(Makefile) | |
523 | AC_OUTPUT |