# Process this file with autoconf to produce a configure script, like so:
# aclocal && autoconf && autoheader && automake
-AC_PREREQ(2.59)
-AC_INIT([GNU Fortran Runtime Library], 0.2,,[libgfortran])
+AC_PREREQ(2.64)
+AC_INIT([GNU Fortran Runtime Library], 0.3,,[libgfortran])
AC_CONFIG_HEADER(config.h)
GCC_TOPLEV_SUBDIRS
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
AC_ARG_ENABLE(version-specific-runtime-libs,
-[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
+AS_HELP_STRING([--enable-version-specific-runtime-libs],
+ [specify that runtime libraries should be installed in a compiler-specific directory]),
[case "$enableval" in
yes) version_specific_libs=yes ;;
no) version_specific_libs=no ;;
[version_specific_libs=no])
AC_MSG_RESULT($version_specific_libs)
+# Build with intermodule optimisations
+AC_MSG_CHECKING([for --enable-intermodule])
+AC_ARG_ENABLE(intermodule,
+AS_HELP_STRING([--enable-intermodule],[build the library in one step]),
+[case "$enable_intermodule" in
+ yes) onestep="-onestep";;
+ *) onestep="";;
+esac],
+[onestep=""])
+AC_MSG_RESULT($enable_intermodule)
+AM_CONDITIONAL(onestep,[test x$onestep = x-onestep])
+AC_SUBST(onestep)
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
#
# Do not delete or change the following two lines. For why, see
# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
AC_CANONICAL_SYSTEM
+ACX_NONCANONICAL_TARGET
+
target_alias=${target_alias-$host_alias}
+AC_SUBST(target_alias)
# Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
# following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
-# 1.8.2: minimum required version
+# 1.9.6: minimum required version
# no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
# of other PACKAGE_* variables will, however, and there's nothing
# we can do about that; they come from AC_INIT).
# foreign: we don't follow the normal rules for GNU packages (no COPYING
# file in the top srcdir, etc, etc), so stop complaining.
-# no-dependencies: turns off auto dependency generation (just for now)
+# no-dist: we don't want 'dist' and related rules.
# -Wall: turns on all automake warnings...
# -Wno-portability: ...except this one, since GNU make is required.
-AM_INIT_AUTOMAKE([1.8.2 no-define foreign no-dependencies -Wall -Wno-portability])
+AM_INIT_AUTOMAKE([1.9.6 no-define foreign no-dist -Wall -Wno-portability])
AM_MAINTAINER_MODE
AM_ENABLE_MULTILIB(, ..)
LIBGFOR_IS_NATIVE=true
fi
+AC_USE_SYSTEM_EXTENSIONS
+
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${version_specific_libs} in
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
+# Create a spec file, so that compile/link tests don't fail
+test -f libgfortran.spec || touch libgfortran.spec
+
+AC_LANG_C
# Check the compiler.
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
# We must force CC to /not/ be precious variables; otherwise
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
-m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+
+AC_SUBST(CFLAGS)
+
+AM_PROG_CC_C_O
# Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC.
if test "x$GCC" = "xyes"; then
- AM_FCFLAGS="-I . -Wall -fno-repack-arrays -fno-underscoring"
- ## We like to use C99 routines when available. This makes sure that
+ AM_FCFLAGS="-I . -Wall -Werror -fimplicit-none -fno-repack-arrays -fno-underscoring"
+ ## We like to use C11 and C99 routines when available. This makes
+ ## sure that
## __STDC_VERSION__ is set such that libc includes make them available.
- AM_CFLAGS="-std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings"
+ AM_CFLAGS="-std=gnu11 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings -Werror=implicit-function-declaration"
+ ## Compile the following tests with the same system header contents
+ ## that we'll encounter when compiling our own source files.
+ CFLAGS="-std=gnu11 $CFLAGS"
fi
AC_SUBST(AM_FCFLAGS)
AC_SUBST(AM_CFLAGS)
+AC_SUBST(CFLAGS)
+
+# Check for symbol versioning (copied from libssp).
+AC_MSG_CHECKING([whether symbol versioning is supported])
+AC_ARG_ENABLE(symvers,
+AS_HELP_STRING([--disable-symvers],
+ [disable symbol versioning for libgfortran]),
+gfortran_use_symver=$enableval,
+gfortran_use_symver=yes)
+if test "x$gfortran_use_symver" != xno; then
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
+ cat > conftest.map <<EOF
+FOO_1.0 {
+ global: *foo*; bar; local: *;
+};
+EOF
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[int foo;]],[[]])],[gfortran_use_symver=gnu],[gfortran_use_symver=no])
+ if test x$gfortran_use_symver = xno; then
+ case "$target_os" in
+ solaris2*)
+ LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
+ # Sun ld cannot handle wildcards and treats all entries as undefined.
+ cat > conftest.map <<EOF
+FOO_1.0 {
+ global: foo; local: *;
+};
+EOF
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[int foo;]],[[]])],[gfortran_use_symver=sun],[gfortran_use_symver=no])
+ ;;
+ esac
+ fi
+ LDFLAGS="$save_LDFLAGS"
+fi
+AC_MSG_RESULT($gfortran_use_symver)
+AM_CONDITIONAL(LIBGFOR_USE_SYMVER, [test "x$gfortran_use_symver" != xno])
+AM_CONDITIONAL(LIBGFOR_USE_SYMVER_GNU, [test "x$gfortran_use_symver" = xgnu])
+AM_CONDITIONAL(LIBGFOR_USE_SYMVER_SUN, [test "x$gfortran_use_symver" = xsun])
+
+# Figure out whether the compiler supports "-ffunction-sections -fdata-sections",
+# similarly to how libstdc++ does it
+ac_test_CFLAGS="${CFLAGS+set}"
+ac_save_CFLAGS="$CFLAGS"
+
+# Check for -ffunction-sections -fdata-sections
+AC_MSG_CHECKING([for gcc that supports -ffunction-sections -fdata-sections])
+CFLAGS='-Werror -ffunction-sections -fdata-sections'
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int foo;]])], [ac_fdsections=yes], [ac_fdsections=no])
+if test "$ac_test_CFLAGS" = set; then
+ CFLAGS="$ac_save_CFLAGS"
+else
+ # this is the suspicious part
+ CFLAGS=""
+fi
+if test x"$ac_fdsections" = x"yes"; then
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+fi
+AC_MSG_RESULT($ac_fdsections)
+AC_SUBST(SECTION_FLAGS)
# Find other programs we need.
AC_CHECK_TOOL(AS, as)
#AC_MSG_NOTICE([====== Starting libtool configuration])
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL
+ACX_LT_HOST_FLAGS
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
#AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10
esac
AC_SUBST(extra_ldflags_libgfortran)
+# We need a working compiler at that point, otherwise give a clear
+# error message and bail out.
+LIBGFOR_WORKING_GFORTRAN
+
AC_SYS_LARGEFILE
-AC_FUNC_MMAP
+
+# Types
AC_TYPE_OFF_T
+AC_TYPE_INTPTR_T
+AC_TYPE_UINTPTR_T
+AC_CHECK_TYPES([ptrdiff_t])
-# check header files
-AC_STDC_HEADERS
-AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h signal.h)
-AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h)
-AC_CHECK_HEADERS(sys/mman.h sys/types.h sys/stat.h floatingpoint.h ieeefp.h)
-AC_CHECK_HEADERS(fenv.h fptrap.h float.h)
-AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
+# check header files (we assume C89 is available, so don't check for that)
+AC_CHECK_HEADERS_ONCE(unistd.h sys/time.h sys/times.h sys/resource.h \
+sys/types.h sys/stat.h sys/wait.h floatingpoint.h ieeefp.h fenv.h fptrap.h \
+fpxcp.h pwd.h complex.h xlocale.h)
-AC_CHECK_MEMBERS([struct stat.st_blksize])
-AC_CHECK_MEMBERS([struct stat.st_blocks])
-AC_CHECK_MEMBERS([struct stat.st_rdev])
+GCC_HEADER_STDINT(gstdint.h)
+
+AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_blocks, struct stat.st_rdev])
# Check for library functions.
-AC_CHECK_FUNCS(getrusage times mkstemp strtof strtold snprintf ftruncate chsize)
-AC_CHECK_FUNCS(chdir strerror getlogin gethostname kill link symlink perror)
-AC_CHECK_FUNCS(sleep time ttyname signal alarm ctime)
+if test "x${with_newlib}" = "xyes"; then
+ # We are being configured with a cross compiler. AC_REPLACE_FUNCS
+ # may not work correctly, because the compiler may not be able to
+ # link executables.
+ AC_DEFINE(HAVE_MKSTEMP, 1, [Define if you have mkstemp.])
+ AC_DEFINE(HAVE_STRTOF, 1, [Define if you have strtof.])
+ AC_DEFINE(HAVE_SNPRINTF, 1, [Define if you have snprintf.])
+ AC_DEFINE(HAVE_STRCASESTR, 1, [Define if you have strcasestr.])
+ AC_DEFINE(HAVE_VSNPRINTF, 1, [Define if you have vsnprintf.])
+ AC_DEFINE(HAVE_LOCALTIME_R, 1, [Define if you have localtime_r.])
+ AC_DEFINE(HAVE_GMTIME_R, 1, [Define if you have gmtime_r.])
+ AC_DEFINE(HAVE_STRNLEN, 1, [Define if you have strnlen.])
+ AC_DEFINE(HAVE_STRNDUP, 1, [Define if you have strndup.])
+ AC_DEFINE(HAVE_STRTOK_R, 1, [Define if you have strtok_r.])
+
+ # At some point, we should differentiate between architectures
+ # like x86, which have long double versions, and alpha/powerpc/etc.,
+ # which don't. For the time being, punt.
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_STRTOLD, 1, [Define if you have strtold.])
+ fi
+else
+ AC_CHECK_FUNCS_ONCE(getrusage times mkstemp strtof strtold snprintf \
+ ftruncate chsize chdir getlogin gethostname kill link symlink sleep ttyname \
+ alarm access fork execl wait setmode execve pipe dup2 close fcntl \
+ strcasestr getrlimit gettimeofday stat fstat lstat getpwuid vsnprintf dup \
+ getcwd localtime_r gmtime_r getpwuid_r ttyname_r clock_gettime \
+ readlink getgid getpid getppid getuid geteuid umask getegid \
+ secure_getenv __secure_getenv mkostemp strnlen strndup strtok_r newlocale \
+ freelocale uselocale strerror_l)
+fi
-# Check libc for getgid, getpid, getuid
-AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])])
-AC_CHECK_LIB([c],[getpid],[AC_DEFINE([HAVE_GETPID],[1],[libc includes getpid])])
-AC_CHECK_LIB([c],[getuid],[AC_DEFINE([HAVE_GETUID],[1],[libc includes getuid])])
+# Check strerror_r, cannot be above as versions with two and three arguments exist
+LIBGFOR_CHECK_STRERROR_R
# Check for C99 (and other IEEE) math functions
-# ??? This list seems awful long. Is there a better way to test for these?
-AC_CHECK_LIB([m],[acosf],[AC_DEFINE([HAVE_ACOSF],[1],[libm includes acosf])])
-AC_CHECK_LIB([m],[acos],[AC_DEFINE([HAVE_ACOS],[1],[libm includes acos])])
-AC_CHECK_LIB([m],[acosl],[AC_DEFINE([HAVE_ACOSL],[1],[libm includes acosl])])
-AC_CHECK_LIB([m],[acoshf],[AC_DEFINE([HAVE_ACOSHF],[1],[libm includes acoshf])])
-AC_CHECK_LIB([m],[acosh],[AC_DEFINE([HAVE_ACOSH],[1],[libm includes acosh])])
-AC_CHECK_LIB([m],[acoshl],[AC_DEFINE([HAVE_ACOSHL],[1],[libm includes acoshl])])
-AC_CHECK_LIB([m],[asinf],[AC_DEFINE([HAVE_ASINF],[1],[libm includes asinf])])
-AC_CHECK_LIB([m],[asin],[AC_DEFINE([HAVE_ASIN],[1],[libm includes asin])])
-AC_CHECK_LIB([m],[asinl],[AC_DEFINE([HAVE_ASINL],[1],[libm includes asinl])])
-AC_CHECK_LIB([m],[asinhf],[AC_DEFINE([HAVE_ASINHF],[1],[libm includes asinhf])])
-AC_CHECK_LIB([m],[asinh],[AC_DEFINE([HAVE_ASINH],[1],[libm includes asinh])])
-AC_CHECK_LIB([m],[asinhl],[AC_DEFINE([HAVE_ASINHL],[1],[libm includes asinhl])])
-AC_CHECK_LIB([m],[atan2f],[AC_DEFINE([HAVE_ATAN2F],[1],[libm includes atan2f])])
-AC_CHECK_LIB([m],[atan2],[AC_DEFINE([HAVE_ATAN2],[1],[libm includes atan2])])
-AC_CHECK_LIB([m],[atan2l],[AC_DEFINE([HAVE_ATAN2L],[1],[libm includes atan2l])])
-AC_CHECK_LIB([m],[atanf],[AC_DEFINE([HAVE_ATANF],[1],[libm includes atanf])])
-AC_CHECK_LIB([m],[atan],[AC_DEFINE([HAVE_ATAN],[1],[libm includes atan])])
-AC_CHECK_LIB([m],[atanl],[AC_DEFINE([HAVE_ATANL],[1],[libm includes atanl])])
-AC_CHECK_LIB([m],[atanhf],[AC_DEFINE([HAVE_ATANHF],[1],[libm includes atanhf])])
-AC_CHECK_LIB([m],[atanh],[AC_DEFINE([HAVE_ATANH],[1],[libm includes atanh])])
-AC_CHECK_LIB([m],[atanhl],[AC_DEFINE([HAVE_ATANHL],[1],[libm includes atanhl])])
-AC_CHECK_LIB([m],[cargf],[AC_DEFINE([HAVE_CARGF],[1],[libm includes cargf])])
-AC_CHECK_LIB([m],[carg],[AC_DEFINE([HAVE_CARG],[1],[libm includes carg])])
-AC_CHECK_LIB([m],[cargl],[AC_DEFINE([HAVE_CARGL],[1],[libm includes cargl])])
-AC_CHECK_LIB([m],[ceilf],[AC_DEFINE([HAVE_CEILF],[1],[libm includes ceilf])])
-AC_CHECK_LIB([m],[ceil],[AC_DEFINE([HAVE_CEIL],[1],[libm includes ceil])])
-AC_CHECK_LIB([m],[ceill],[AC_DEFINE([HAVE_CEILL],[1],[libm includes ceill])])
-AC_CHECK_LIB([m],[copysignf],[AC_DEFINE([HAVE_COPYSIGNF],[1],[libm includes copysignf])])
-AC_CHECK_LIB([m],[copysign],[AC_DEFINE([HAVE_COPYSIGN],[1],[libm includes copysign])])
-AC_CHECK_LIB([m],[copysignl],[AC_DEFINE([HAVE_COPYSIGNL],[1],[libm includes copysignl])])
-AC_CHECK_LIB([m],[cosf],[AC_DEFINE([HAVE_COSF],[1],[libm includes cosf])])
-AC_CHECK_LIB([m],[cos],[AC_DEFINE([HAVE_COS],[1],[libm includes cos])])
-AC_CHECK_LIB([m],[cosl],[AC_DEFINE([HAVE_COSL],[1],[libm includes cosl])])
-AC_CHECK_LIB([m],[ccosf],[AC_DEFINE([HAVE_CCOSF],[1],[libm includes ccosf])])
-AC_CHECK_LIB([m],[ccos],[AC_DEFINE([HAVE_CCOS],[1],[libm includes ccos])])
-AC_CHECK_LIB([m],[ccosl],[AC_DEFINE([HAVE_CCOSL],[1],[libm includes ccosl])])
-AC_CHECK_LIB([m],[coshf],[AC_DEFINE([HAVE_COSHF],[1],[libm includes coshf])])
-AC_CHECK_LIB([m],[cosh],[AC_DEFINE([HAVE_COSH],[1],[libm includes cosh])])
-AC_CHECK_LIB([m],[coshl],[AC_DEFINE([HAVE_COSHL],[1],[libm includes coshl])])
-AC_CHECK_LIB([m],[ccoshf],[AC_DEFINE([HAVE_CCOSHF],[1],[libm includes ccoshf])])
-AC_CHECK_LIB([m],[ccosh],[AC_DEFINE([HAVE_CCOSH],[1],[libm includes ccosh])])
-AC_CHECK_LIB([m],[ccoshl],[AC_DEFINE([HAVE_CCOSHL],[1],[libm includes ccoshl])])
-AC_CHECK_LIB([m],[expf],[AC_DEFINE([HAVE_EXPF],[1],[libm includes expf])])
-AC_CHECK_LIB([m],[exp],[AC_DEFINE([HAVE_EXP],[1],[libm includes exp])])
-AC_CHECK_LIB([m],[expl],[AC_DEFINE([HAVE_EXPL],[1],[libm includes expl])])
-AC_CHECK_LIB([m],[cexpf],[AC_DEFINE([HAVE_CEXPF],[1],[libm includes cexpf])])
-AC_CHECK_LIB([m],[cexp],[AC_DEFINE([HAVE_CEXP],[1],[libm includes cexp])])
-AC_CHECK_LIB([m],[cexpl],[AC_DEFINE([HAVE_CEXPL],[1],[libm includes cexpl])])
-AC_CHECK_LIB([m],[fabsf],[AC_DEFINE([HAVE_FABSF],[1],[libm includes fabsf])])
-AC_CHECK_LIB([m],[fabs],[AC_DEFINE([HAVE_FABS],[1],[libm includes fabs])])
-AC_CHECK_LIB([m],[fabsl],[AC_DEFINE([HAVE_FABSL],[1],[libm includes fabsl])])
-AC_CHECK_LIB([m],[cabsf],[AC_DEFINE([HAVE_CABSF],[1],[libm includes cabsf])])
-AC_CHECK_LIB([m],[cabs],[AC_DEFINE([HAVE_CABS],[1],[libm includes cabs])])
-AC_CHECK_LIB([m],[cabsl],[AC_DEFINE([HAVE_CABSL],[1],[libm includes cabsl])])
-AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])])
-AC_CHECK_LIB([m],[floor],[AC_DEFINE([HAVE_FLOOR],[1],[libm includes floor])])
-AC_CHECK_LIB([m],[floorl],[AC_DEFINE([HAVE_FLOORL],[1],[libm includes floorl])])
-AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])])
-AC_CHECK_LIB([m],[frexp],[AC_DEFINE([HAVE_FREXP],[1],[libm includes frexp])])
-AC_CHECK_LIB([m],[frexpl],[AC_DEFINE([HAVE_FREXPL],[1],[libm includes frexpl])])
-AC_CHECK_LIB([m],[hypotf],[AC_DEFINE([HAVE_HYPOTF],[1],[libm includes hypotf])])
-AC_CHECK_LIB([m],[hypot],[AC_DEFINE([HAVE_HYPOT],[1],[libm includes hypot])])
-AC_CHECK_LIB([m],[hypotl],[AC_DEFINE([HAVE_HYPOTL],[1],[libm includes hypotl])])
-AC_CHECK_LIB([m],[logf],[AC_DEFINE([HAVE_LOGF],[1],[libm includes logf])])
-AC_CHECK_LIB([m],[log],[AC_DEFINE([HAVE_LOG],[1],[libm includes log])])
-AC_CHECK_LIB([m],[logl],[AC_DEFINE([HAVE_LOGL],[1],[libm includes logl])])
-AC_CHECK_LIB([m],[clogf],[AC_DEFINE([HAVE_CLOGF],[1],[libm includes clogf])])
-AC_CHECK_LIB([m],[clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
-AC_CHECK_LIB([m],[clogl],[AC_DEFINE([HAVE_CLOGL],[1],[libm includes clogl])])
-AC_CHECK_LIB([m],[log10f],[AC_DEFINE([HAVE_LOG10F],[1],[libm includes log10f])])
-AC_CHECK_LIB([m],[log10],[AC_DEFINE([HAVE_LOG10],[1],[libm includes log10])])
-AC_CHECK_LIB([m],[log10l],[AC_DEFINE([HAVE_LOG10L],[1],[libm includes log10l])])
-AC_CHECK_LIB([m],[clog10f],[AC_DEFINE([HAVE_CLOG10F],[1],[libm includes clog10f])])
-AC_CHECK_LIB([m],[clog10],[AC_DEFINE([HAVE_CLOG10],[1],[libm includes clog10])])
-AC_CHECK_LIB([m],[clog10l],[AC_DEFINE([HAVE_CLOG10L],[1],[libm includes clog10l])])
-AC_CHECK_LIB([m],[nextafterf],[AC_DEFINE([HAVE_NEXTAFTERF],[1],[libm includes nextafterf])])
-AC_CHECK_LIB([m],[nextafter],[AC_DEFINE([HAVE_NEXTAFTER],[1],[libm includes nextafter])])
-AC_CHECK_LIB([m],[nextafterl],[AC_DEFINE([HAVE_NEXTAFTERL],[1],[libm includes nextafterl])])
-AC_CHECK_LIB([m],[powf],[AC_DEFINE([HAVE_POWF],[1],[libm includes powf])])
-AC_CHECK_LIB([m],[pow],[AC_DEFINE([HAVE_POW],[1],[libm includes pow])])
-AC_CHECK_LIB([m],[powl],[AC_DEFINE([HAVE_POWL],[1],[libm includes powl])])
-AC_CHECK_LIB([m],[cpowf],[AC_DEFINE([HAVE_CPOWF],[1],[libm includes cpowf])])
-AC_CHECK_LIB([m],[cpow],[AC_DEFINE([HAVE_CPOW],[1],[libm includes cpow])])
-AC_CHECK_LIB([m],[cpowl],[AC_DEFINE([HAVE_CPOWL],[1],[libm includes cpowl])])
-AC_CHECK_LIB([m],[roundf],[AC_DEFINE([HAVE_ROUNDF],[1],[libm includes roundf])])
-AC_CHECK_LIB([m],[round],[AC_DEFINE([HAVE_ROUND],[1],[libm includes round])])
-AC_CHECK_LIB([m],[roundl],[AC_DEFINE([HAVE_ROUNDL],[1],[libm includes roundl])])
-AC_CHECK_LIB([m],[scalbnf],[AC_DEFINE([HAVE_SCALBNF],[1],[libm includes scalbnf])])
-AC_CHECK_LIB([m],[scalbn],[AC_DEFINE([HAVE_SCALBN],[1],[libm includes scalbn])])
-AC_CHECK_LIB([m],[scalbnl],[AC_DEFINE([HAVE_SCALBNL],[1],[libm includes scalbnl])])
-AC_CHECK_LIB([m],[sinf],[AC_DEFINE([HAVE_SINF],[1],[libm includes sinf])])
-AC_CHECK_LIB([m],[sin],[AC_DEFINE([HAVE_SIN],[1],[libm includes sin])])
-AC_CHECK_LIB([m],[sinl],[AC_DEFINE([HAVE_SINL],[1],[libm includes sinl])])
-AC_CHECK_LIB([m],[csinf],[AC_DEFINE([HAVE_CSINF],[1],[libm includes csinf])])
-AC_CHECK_LIB([m],[csin],[AC_DEFINE([HAVE_CSIN],[1],[libm includes csin])])
-AC_CHECK_LIB([m],[csinl],[AC_DEFINE([HAVE_CSINL],[1],[libm includes csinl])])
-AC_CHECK_LIB([m],[sinhf],[AC_DEFINE([HAVE_SINHF],[1],[libm includes sinhf])])
-AC_CHECK_LIB([m],[sinh],[AC_DEFINE([HAVE_SINH],[1],[libm includes sinh])])
-AC_CHECK_LIB([m],[sinhl],[AC_DEFINE([HAVE_SINHL],[1],[libm includes sinhl])])
-AC_CHECK_LIB([m],[csinhf],[AC_DEFINE([HAVE_CSINHF],[1],[libm includes csinhf])])
-AC_CHECK_LIB([m],[csinh],[AC_DEFINE([HAVE_CSINH],[1],[libm includes csinh])])
-AC_CHECK_LIB([m],[csinhl],[AC_DEFINE([HAVE_CSINHL],[1],[libm includes csinhl])])
-AC_CHECK_LIB([m],[sqrtf],[AC_DEFINE([HAVE_SQRTF],[1],[libm includes sqrtf])])
-AC_CHECK_LIB([m],[sqrt],[AC_DEFINE([HAVE_SQRT],[1],[libm includes sqrt])])
-AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])])
-AC_CHECK_LIB([m],[csqrtf],[AC_DEFINE([HAVE_CSQRTF],[1],[libm includes csqrtf])])
-AC_CHECK_LIB([m],[csqrt],[AC_DEFINE([HAVE_CSQRT],[1],[libm includes csqrt])])
-AC_CHECK_LIB([m],[csqrtl],[AC_DEFINE([HAVE_CSQRTL],[1],[libm includes csqrtl])])
-AC_CHECK_LIB([m],[tanf],[AC_DEFINE([HAVE_TANF],[1],[libm includes tanf])])
-AC_CHECK_LIB([m],[tan],[AC_DEFINE([HAVE_TAN],[1],[libm includes tan])])
-AC_CHECK_LIB([m],[tanl],[AC_DEFINE([HAVE_TANL],[1],[libm includes tanl])])
-AC_CHECK_LIB([m],[ctanf],[AC_DEFINE([HAVE_CTANF],[1],[libm includes ctanf])])
-AC_CHECK_LIB([m],[ctan],[AC_DEFINE([HAVE_CTAN],[1],[libm includes ctan])])
-AC_CHECK_LIB([m],[ctanl],[AC_DEFINE([HAVE_CTANL],[1],[libm includes ctanl])])
-AC_CHECK_LIB([m],[tanhf],[AC_DEFINE([HAVE_TANHF],[1],[libm includes tanhf])])
-AC_CHECK_LIB([m],[tanh],[AC_DEFINE([HAVE_TANH],[1],[libm includes tanh])])
-AC_CHECK_LIB([m],[tanhl],[AC_DEFINE([HAVE_TANHL],[1],[libm includes tanhl])])
-AC_CHECK_LIB([m],[ctanhf],[AC_DEFINE([HAVE_CTANHF],[1],[libm includes ctanhf])])
-AC_CHECK_LIB([m],[ctanh],[AC_DEFINE([HAVE_CTANH],[1],[libm includes ctanh])])
-AC_CHECK_LIB([m],[ctanhl],[AC_DEFINE([HAVE_CTANHL],[1],[libm includes ctanhl])])
-AC_CHECK_LIB([m],[truncf],[AC_DEFINE([HAVE_TRUNCF],[1],[libm includes truncf])])
-AC_CHECK_LIB([m],[trunc],[AC_DEFINE([HAVE_TRUNC],[1],[libm includes trunc])])
-AC_CHECK_LIB([m],[truncl],[AC_DEFINE([HAVE_TRUNCL],[1],[libm includes truncl])])
-AC_CHECK_LIB([m],[erff],[AC_DEFINE([HAVE_ERFF],[1],[libm includes erff])])
-AC_CHECK_LIB([m],[erf],[AC_DEFINE([HAVE_ERF],[1],[libm includes erf])])
-AC_CHECK_LIB([m],[erfl],[AC_DEFINE([HAVE_ERFL],[1],[libm includes erfl])])
-AC_CHECK_LIB([m],[erfcf],[AC_DEFINE([HAVE_ERFCF],[1],[libm includes erfcf])])
-AC_CHECK_LIB([m],[erfc],[AC_DEFINE([HAVE_ERFC],[1],[libm includes erfc])])
-AC_CHECK_LIB([m],[erfcl],[AC_DEFINE([HAVE_ERFCL],[1],[libm includes erfcl])])
-AC_CHECK_LIB([m],[j0f],[AC_DEFINE([HAVE_J0F],[1],[libm includes j0f])])
-AC_CHECK_LIB([m],[j0],[AC_DEFINE([HAVE_J0],[1],[libm includes j0])])
-AC_CHECK_LIB([m],[j0l],[AC_DEFINE([HAVE_J0L],[1],[libm includes j0l])])
-AC_CHECK_LIB([m],[j1f],[AC_DEFINE([HAVE_J1F],[1],[libm includes j1f])])
-AC_CHECK_LIB([m],[j1],[AC_DEFINE([HAVE_J1],[1],[libm includes j1])])
-AC_CHECK_LIB([m],[j1l],[AC_DEFINE([HAVE_J1L],[1],[libm includes j1l])])
-AC_CHECK_LIB([m],[jnf],[AC_DEFINE([HAVE_JNF],[1],[libm includes jnf])])
-AC_CHECK_LIB([m],[jn],[AC_DEFINE([HAVE_JN],[1],[libm includes jn])])
-AC_CHECK_LIB([m],[jnl],[AC_DEFINE([HAVE_JNL],[1],[libm includes jnl])])
-AC_CHECK_LIB([m],[y0f],[AC_DEFINE([HAVE_Y0F],[1],[libm includes y0f])])
-AC_CHECK_LIB([m],[y0],[AC_DEFINE([HAVE_Y0],[1],[libm includes y0])])
-AC_CHECK_LIB([m],[y0l],[AC_DEFINE([HAVE_Y0L],[1],[libm includes y0l])])
-AC_CHECK_LIB([m],[y1f],[AC_DEFINE([HAVE_Y1F],[1],[libm includes y1f])])
-AC_CHECK_LIB([m],[y1],[AC_DEFINE([HAVE_Y1],[1],[libm includes y1])])
-AC_CHECK_LIB([m],[y1l],[AC_DEFINE([HAVE_Y1L],[1],[libm includes y1l])])
-AC_CHECK_LIB([m],[ynf],[AC_DEFINE([HAVE_YNF],[1],[libm includes ynf])])
-AC_CHECK_LIB([m],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])])
-AC_CHECK_LIB([m],[ynl],[AC_DEFINE([HAVE_YNL],[1],[libm includes ynl])])
+GCC_CHECK_MATH_FUNC([acosf])
+GCC_CHECK_MATH_FUNC([acos])
+GCC_CHECK_MATH_FUNC([acosl])
+GCC_CHECK_MATH_FUNC([acoshf])
+GCC_CHECK_MATH_FUNC([acosh])
+GCC_CHECK_MATH_FUNC([acoshl])
+GCC_CHECK_MATH_FUNC([asinf])
+GCC_CHECK_MATH_FUNC([asin])
+GCC_CHECK_MATH_FUNC([asinl])
+GCC_CHECK_MATH_FUNC([asinhf])
+GCC_CHECK_MATH_FUNC([asinh])
+GCC_CHECK_MATH_FUNC([asinhl])
+GCC_CHECK_MATH_FUNC([atan2f])
+GCC_CHECK_MATH_FUNC([atan2])
+GCC_CHECK_MATH_FUNC([atan2l])
+GCC_CHECK_MATH_FUNC([atanf])
+GCC_CHECK_MATH_FUNC([atan])
+GCC_CHECK_MATH_FUNC([atanl])
+GCC_CHECK_MATH_FUNC([atanhf])
+GCC_CHECK_MATH_FUNC([atanh])
+GCC_CHECK_MATH_FUNC([atanhl])
+GCC_CHECK_MATH_FUNC([cargf])
+GCC_CHECK_MATH_FUNC([carg])
+GCC_CHECK_MATH_FUNC([cargl])
+GCC_CHECK_MATH_FUNC([ceilf])
+GCC_CHECK_MATH_FUNC([ceil])
+GCC_CHECK_MATH_FUNC([ceill])
+GCC_CHECK_MATH_FUNC([copysignf])
+GCC_CHECK_MATH_FUNC([copysign])
+GCC_CHECK_MATH_FUNC([copysignl])
+GCC_CHECK_MATH_FUNC([cosf])
+GCC_CHECK_MATH_FUNC([cos])
+GCC_CHECK_MATH_FUNC([cosl])
+GCC_CHECK_MATH_FUNC([ccosf])
+GCC_CHECK_MATH_FUNC([ccos])
+GCC_CHECK_MATH_FUNC([ccosl])
+GCC_CHECK_MATH_FUNC([coshf])
+GCC_CHECK_MATH_FUNC([cosh])
+GCC_CHECK_MATH_FUNC([coshl])
+GCC_CHECK_MATH_FUNC([ccoshf])
+GCC_CHECK_MATH_FUNC([ccosh])
+GCC_CHECK_MATH_FUNC([ccoshl])
+GCC_CHECK_MATH_FUNC([expf])
+GCC_CHECK_MATH_FUNC([exp])
+GCC_CHECK_MATH_FUNC([expl])
+GCC_CHECK_MATH_FUNC([cexpf])
+GCC_CHECK_MATH_FUNC([cexp])
+GCC_CHECK_MATH_FUNC([cexpl])
+GCC_CHECK_MATH_FUNC([fabsf])
+GCC_CHECK_MATH_FUNC([fabs])
+GCC_CHECK_MATH_FUNC([fabsl])
+GCC_CHECK_MATH_FUNC([cabsf])
+GCC_CHECK_MATH_FUNC([cabs])
+GCC_CHECK_MATH_FUNC([cabsl])
+GCC_CHECK_MATH_FUNC([floorf])
+GCC_CHECK_MATH_FUNC([floor])
+GCC_CHECK_MATH_FUNC([floorl])
+GCC_CHECK_MATH_FUNC([fmodf])
+GCC_CHECK_MATH_FUNC([fmod])
+GCC_CHECK_MATH_FUNC([fmodl])
+GCC_CHECK_MATH_FUNC([frexpf])
+GCC_CHECK_MATH_FUNC([frexp])
+GCC_CHECK_MATH_FUNC([frexpl])
+GCC_CHECK_MATH_FUNC([hypotf])
+GCC_CHECK_MATH_FUNC([hypot])
+GCC_CHECK_MATH_FUNC([hypotl])
+GCC_CHECK_MATH_FUNC([ldexpf])
+GCC_CHECK_MATH_FUNC([ldexp])
+GCC_CHECK_MATH_FUNC([ldexpl])
+GCC_CHECK_MATH_FUNC([logf])
+GCC_CHECK_MATH_FUNC([log])
+GCC_CHECK_MATH_FUNC([logl])
+GCC_CHECK_MATH_FUNC([clogf])
+GCC_CHECK_MATH_FUNC([clog])
+GCC_CHECK_MATH_FUNC([clogl])
+GCC_CHECK_MATH_FUNC([log10f])
+GCC_CHECK_MATH_FUNC([log10])
+GCC_CHECK_MATH_FUNC([log10l])
+GCC_CHECK_MATH_FUNC([clog10f])
+GCC_CHECK_MATH_FUNC([clog10])
+GCC_CHECK_MATH_FUNC([clog10l])
+GCC_CHECK_MATH_FUNC([nextafterf])
+GCC_CHECK_MATH_FUNC([nextafter])
+GCC_CHECK_MATH_FUNC([nextafterl])
+GCC_CHECK_MATH_FUNC([powf])
+GCC_CHECK_MATH_FUNC([pow])
+GCC_CHECK_MATH_FUNC([powl])
+GCC_CHECK_MATH_FUNC([cpowf])
+GCC_CHECK_MATH_FUNC([cpow])
+GCC_CHECK_MATH_FUNC([cpowl])
+GCC_CHECK_MATH_FUNC([roundf])
+GCC_CHECK_MATH_FUNC([round])
+GCC_CHECK_MATH_FUNC([roundl])
+GCC_CHECK_MATH_FUNC([lroundf])
+GCC_CHECK_MATH_FUNC([lround])
+GCC_CHECK_MATH_FUNC([lroundl])
+GCC_CHECK_MATH_FUNC([llroundf])
+GCC_CHECK_MATH_FUNC([llround])
+GCC_CHECK_MATH_FUNC([llroundl])
+GCC_CHECK_MATH_FUNC([scalbnf])
+GCC_CHECK_MATH_FUNC([scalbn])
+GCC_CHECK_MATH_FUNC([scalbnl])
+GCC_CHECK_MATH_FUNC([sinf])
+GCC_CHECK_MATH_FUNC([sin])
+GCC_CHECK_MATH_FUNC([sinl])
+GCC_CHECK_MATH_FUNC([csinf])
+GCC_CHECK_MATH_FUNC([csin])
+GCC_CHECK_MATH_FUNC([csinl])
+GCC_CHECK_MATH_FUNC([sinhf])
+GCC_CHECK_MATH_FUNC([sinh])
+GCC_CHECK_MATH_FUNC([sinhl])
+GCC_CHECK_MATH_FUNC([csinhf])
+GCC_CHECK_MATH_FUNC([csinh])
+GCC_CHECK_MATH_FUNC([csinhl])
+GCC_CHECK_MATH_FUNC([sqrtf])
+GCC_CHECK_MATH_FUNC([sqrt])
+GCC_CHECK_MATH_FUNC([sqrtl])
+GCC_CHECK_MATH_FUNC([csqrtf])
+GCC_CHECK_MATH_FUNC([csqrt])
+GCC_CHECK_MATH_FUNC([csqrtl])
+GCC_CHECK_MATH_FUNC([tanf])
+GCC_CHECK_MATH_FUNC([tan])
+GCC_CHECK_MATH_FUNC([tanl])
+GCC_CHECK_MATH_FUNC([ctanf])
+GCC_CHECK_MATH_FUNC([ctan])
+GCC_CHECK_MATH_FUNC([ctanl])
+GCC_CHECK_MATH_FUNC([tanhf])
+GCC_CHECK_MATH_FUNC([tanh])
+GCC_CHECK_MATH_FUNC([tanhl])
+GCC_CHECK_MATH_FUNC([ctanhf])
+GCC_CHECK_MATH_FUNC([ctanh])
+GCC_CHECK_MATH_FUNC([ctanhl])
+GCC_CHECK_MATH_FUNC([truncf])
+GCC_CHECK_MATH_FUNC([trunc])
+GCC_CHECK_MATH_FUNC([truncl])
+GCC_CHECK_MATH_FUNC([erff])
+GCC_CHECK_MATH_FUNC([erf])
+GCC_CHECK_MATH_FUNC([erfl])
+GCC_CHECK_MATH_FUNC([erfcf])
+GCC_CHECK_MATH_FUNC([erfc])
+GCC_CHECK_MATH_FUNC([erfcl])
+GCC_CHECK_MATH_FUNC([j0f])
+GCC_CHECK_MATH_FUNC([j0])
+GCC_CHECK_MATH_FUNC([j0l])
+GCC_CHECK_MATH_FUNC([j1f])
+GCC_CHECK_MATH_FUNC([j1])
+GCC_CHECK_MATH_FUNC([j1l])
+GCC_CHECK_MATH_FUNC([jnf])
+GCC_CHECK_MATH_FUNC([jn])
+GCC_CHECK_MATH_FUNC([jnl])
+GCC_CHECK_MATH_FUNC([y0f])
+GCC_CHECK_MATH_FUNC([y0])
+GCC_CHECK_MATH_FUNC([y0l])
+GCC_CHECK_MATH_FUNC([y1f])
+GCC_CHECK_MATH_FUNC([y1])
+GCC_CHECK_MATH_FUNC([y1l])
+GCC_CHECK_MATH_FUNC([ynf])
+GCC_CHECK_MATH_FUNC([yn])
+GCC_CHECK_MATH_FUNC([ynl])
+GCC_CHECK_MATH_FUNC([tgamma])
+GCC_CHECK_MATH_FUNC([tgammaf])
+GCC_CHECK_MATH_FUNC([tgammal])
+GCC_CHECK_MATH_FUNC([lgamma])
+GCC_CHECK_MATH_FUNC([lgammaf])
+GCC_CHECK_MATH_FUNC([lgammal])
+
+# Check for GFORTRAN_C99_1.1 funcs
+GCC_CHECK_MATH_FUNC([cacos])
+GCC_CHECK_MATH_FUNC([cacosf])
+GCC_CHECK_MATH_FUNC([cacosh])
+GCC_CHECK_MATH_FUNC([cacoshf])
+GCC_CHECK_MATH_FUNC([cacoshl])
+GCC_CHECK_MATH_FUNC([cacosl])
+GCC_CHECK_MATH_FUNC([casin])
+GCC_CHECK_MATH_FUNC([casinf])
+GCC_CHECK_MATH_FUNC([casinh])
+GCC_CHECK_MATH_FUNC([casinhf])
+GCC_CHECK_MATH_FUNC([casinhl])
+GCC_CHECK_MATH_FUNC([casinl])
+GCC_CHECK_MATH_FUNC([catan])
+GCC_CHECK_MATH_FUNC([catanf])
+GCC_CHECK_MATH_FUNC([catanh])
+GCC_CHECK_MATH_FUNC([catanhf])
+GCC_CHECK_MATH_FUNC([catanhl])
+GCC_CHECK_MATH_FUNC([catanl])
# On AIX, clog is present in libm as __clog
AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
-# Check for a isfinite macro that works on long doubles.
-LIBGFOR_CHECK_FOR_BROKEN_ISFINITE
-
-# Check for a isnan macro that works on long doubles.
-LIBGFOR_CHECK_FOR_BROKEN_ISNAN
-
-# Check for a fpclassify macro that works on long doubles.
-LIBGFOR_CHECK_FOR_BROKEN_FPCLASSIFY
-
# Check whether the system has a working stat()
LIBGFOR_CHECK_WORKING_STAT
-# Fallback in case isfinite is not available.
-AC_CHECK_LIB([m],[finite],[AC_DEFINE([HAVE_FINITE],[1],[libm includes finite])])
+# Check whether __mingw_snprintf() is present
+LIBGFOR_CHECK_MINGW_SNPRINTF
+
+# Check whether libquadmath should be used
+AC_ARG_ENABLE(libquadmath-support,
+AS_HELP_STRING([--disable-libquadmath-support],
+ [disable libquadmath support for Fortran]),
+ENABLE_LIBQUADMATH_SUPPORT=$enableval,
+ENABLE_LIBQUADMATH_SUPPORT=yes)
+enable_libquadmath_support=
+if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
+ enable_libquadmath_support=no
+fi
+
+# Check whether we have a __float128 type, depends on enable_libquadmath_support
+LIBGFOR_CHECK_FLOAT128
# Check for GNU libc feenableexcept
AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])])
+# At least for glibc, clock_gettime is in librt. But don't
+# pull that in if it still doesn't give us the function we want. This
+# test is copied from libgomp, and modified to not link in -lrt as
+# libgfortran calls clock_gettime via a weak reference if it's found
+# in librt.
+if test "$ac_cv_func_clock_gettime" = no; then
+ AC_CHECK_LIB(rt, clock_gettime,
+ [AC_DEFINE(HAVE_CLOCK_GETTIME_LIBRT, 1,
+ [Define to 1 if you have the `clock_gettime' function in librt.])])
+fi
+
# Check for SysV fpsetmask
LIBGFOR_CHECK_FPSETMASK
+AC_CHECK_TYPES([fp_except,fp_except_t], [], [], [[
+#include <ieeefp.h>
+#include <math.h>
+]])
+AC_CHECK_TYPES([fp_rnd,fp_rnd_t], [], [], [[
+#include <ieeefp.h>
+#include <math.h>
+]])
+
+# Check whether we have fpsetsticky or fpresetsticky
+AC_CHECK_FUNC([fpsetsticky],[have_fpsetsticky=yes AC_DEFINE([HAVE_FPSETSTICKY],[1],[fpsetsticky is present])])
+AC_CHECK_FUNC([fpresetsticky],[have_fpresetsticky=yes AC_DEFINE([HAVE_FPRESETSTICKY],[1],[fpresetsticky is present])])
# Check for AIX fp_trap and fp_enable
AC_CHECK_FUNC([fp_trap],[have_fp_trap=yes AC_DEFINE([HAVE_FP_TRAP],[1],[fp_trap is present])])
# build chain.
. ${srcdir}/configure.host
AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h])
+AC_MSG_NOTICE([Support for IEEE modules: ${ieee_support}])
FPU_HOST_HEADER=config/${fpu_host}.h
AC_SUBST(FPU_HOST_HEADER)
-# The standard autoconf HAVE_STRUCT_TIMEZONE doesn't actually check
-# for struct timezone, as you might think. We also need to check how
-# to call gettimeofday if we have it.
-LIBGFOR_GETTIMEOFDAY
+# Whether we will build the IEEE modules
+AM_CONDITIONAL(IEEE_SUPPORT,[test x${ieee_support} = xyes])
+AC_SUBST(IEEE_SUPPORT)
+
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS="${ieee_flags}"
+AC_SUBST(IEEE_FLAGS)
+
+
+# Check for POSIX getpwuid_r
+#
+# There are two versions of getpwuid_r, the POSIX one with 5
+# arguments, and another one with 4 arguments used by at least HP-UX
+# 10.2.
+if test "$ac_cv_func_getpwuid_r" = "yes"; then
+ AC_CACHE_CHECK([POSIX version of getpwuid_r with 5 arguments], libgfor_cv_posix_getpwuid_r, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([
+#include <stdio.h>
+#include <sys/types.h>
+#include <pwd.h>], [
+ getpwuid_r(0, NULL, NULL, 0, NULL);
+ ])], [libgfor_cv_posix_getpwuid_r="yes"], [libgfor_cv_posix_getpwuid_r="no"])])
+fi
+if test "$libgfor_cv_posix_getpwuid_r" = "yes"; then
+ AC_DEFINE([HAVE_POSIX_GETPWUID_R], [1], [Define to 1 if we have POSIX getpwuid_r which takes 5 arguments.])
+fi
-# Attempt to assert that the target is of common type in case we don't
-# have C99 integer types at all.
-LIBGFOR_TARGET_ILP32
# Check out attribute support.
LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
# Check out sync builtins support.
LIBGFOR_CHECK_SYNC_FETCH_AND_ADD
-# Check out thread support.
-LIBGFOR_CHECK_GTHR_DEFAULT
-
# Check out #pragma weak.
LIBGFOR_GTHREAD_WEAK
# Check whether line terminator is LF or CRLF
LIBGFOR_CHECK_CRLF
+# Check whether we have _Unwind_GetIPInfo for backtrace
+GCC_CHECK_UNWIND_GETIPINFO
+
AC_CACHE_SAVE
if test ${multilib} = yes; then
multilib_arg=
fi
-# Write our Makefile.
-AC_CONFIG_FILES(Makefile)
+# Write our Makefile and spec file.
+AC_CONFIG_FILES([
+Makefile
+libgfortran.spec
+])
AC_OUTPUT
projects / gcc.git / blobdiff