# 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
# -------
# Options
[version_specific_libs=no])
AC_MSG_RESULT($version_specific_libs)
+# Build with intermodule optimisations
+AC_MSG_CHECKING([for --enable-intermodule])
+AC_ARG_ENABLE(intermodule,
+[ --enable-intermodule build the library in one step],
+[case "$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.
#
# 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
-# Process the option "--enable-version-specific-runtime-libs"
-gcc_version_trigger=${srcdir}/../gcc/version.c
-gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
-gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
-AC_SUBST(gcc_version)
-
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${version_specific_libs} in
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_alias)'
- toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
+ toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
;;
no)
if test -n "$with_cross_host" &&
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])
+# Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC.
+if test "x$GCC" = "xyes"; then
+ AM_FCFLAGS="-I . -Wall -Werror -fimplicit-none -fno-repack-arrays -fno-underscoring"
+ ## We like to use 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"
+ ## Compile the following tests with the same system header contents
+ ## that we'll encounter when compiling our own source files.
+ CFLAGS="-std=gnu99 $CFLAGS"
+fi
+AC_SUBST(AM_FCFLAGS)
+AC_SUBST(AM_CFLAGS)
AC_SUBST(CFLAGS)
-# Add -Wall if we are using GCC.
-if test "x$GCC" = "xyes"; then
- CFLAGS="$CFLAGS -Wall"
+# Check for symbol versioning (copied from libssp).
+AC_MSG_CHECKING([whether symbol versioning is supported])
+cat > conftest.map <<EOF
+FOO_1.0 {
+ global: *foo*; bar; local: *;
+};
+EOF
+save_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
+AC_TRY_LINK([int foo;],[],[gfortran_use_symver=yes],[gfortran_use_symver=no])
+LDFLAGS="$save_LDFLAGS"
+AC_MSG_RESULT($gfortran_use_symver)
+AM_CONDITIONAL(LIBGFOR_USE_SYMVER, [test "x$gfortran_use_symver" = xyes])
+
+# 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_TRY_COMPILE(, [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([====== Finished libtool configuration]) ; sleep 10
# We need gfortran to compile parts of the library
-# We can't use AC_PROG_F77 because it expects a fully working gfortran.
-#AC_PROG_F77(gfortran)
-F77="$GFORTRAN"
-AC_PROG_F77(gfortran)
-FFLAGS="$FFLAGS -Wall -fno-repack-arrays -fno-underscoring"
+#AC_PROG_FC(gfortran)
+FC="$GFORTRAN"
+AC_PROG_FC(gfortran)
+
+# extra LD Flags which are required for targets
+case "${host}" in
+ *-darwin*)
+ # Darwin needs -single_module when linking libgfortran
+ extra_ldflags_libgfortran=-Wl,-single_module
+ ;;
+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
AC_TYPE_OFF_T
# check header files
AC_STDC_HEADERS
-AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h)
-AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h)
-AC_CHECK_HEADERS(sys/mman.h)
+AC_HEADER_TIME
+AC_HAVE_HEADERS(stdio.h stdlib.h string.h unistd.h signal.h stdarg.h)
+AC_CHECK_HEADERS(time.h sys/time.h sys/times.h sys/resource.h)
+AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/wait.h floatingpoint.h ieeefp.h)
+AC_CHECK_HEADERS(fenv.h fptrap.h float.h execinfo.h pwd.h)
AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
+GCC_HEADER_STDINT(gstdint.h)
-# Check for complex math functions
-AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"])
+AC_CHECK_MEMBERS([struct stat.st_blksize])
+AC_CHECK_MEMBERS([struct stat.st_blocks])
+AC_CHECK_MEMBERS([struct stat.st_rdev])
# Check for library functions.
-AC_CHECK_FUNCS(getrusage times mkstemp)
+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 clock access fork execl)
+AC_CHECK_FUNCS(wait setmode execvp pipe dup2 close fdopen strcasestr getrlimit)
+AC_CHECK_FUNCS(gettimeofday stat fstat lstat getpwuid vsnprintf dup getcwd)
+AC_CHECK_FUNCS(localtime_r gmtime_r)
+
+# Check for glibc backtrace functions
+AC_CHECK_FUNCS(backtrace backtrace_symbols)
+
+# Check for types
+AC_CHECK_TYPES([intptr_t])
+AC_CHECK_TYPES([uintptr_t])
# 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],[getppid],[AC_DEFINE([HAVE_GETPPID],[1],[libc includes getppid])])
AC_CHECK_LIB([c],[getuid],[AC_DEFINE([HAVE_GETUID],[1],[libc includes getuid])])
+AC_CHECK_LIB([c],[geteuid],[AC_DEFINE([HAVE_GETEUID],[1],[libc includes geteuid])])
# 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],[fmodf],[AC_DEFINE([HAVE_FMODF],[1],[libm includes fmodf])])
+AC_CHECK_LIB([m],[fmod],[AC_DEFINE([HAVE_FMOD],[1],[libm includes fmod])])
+AC_CHECK_LIB([m],[fmodl],[AC_DEFINE([HAVE_FMODL],[1],[libm includes fmodl])])
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],[ldexpf],[AC_DEFINE([HAVE_LDEXPF],[1],[libm includes ldexpf])])
+AC_CHECK_LIB([m],[ldexp],[AC_DEFINE([HAVE_LDEXP],[1],[libm includes ldexp])])
+AC_CHECK_LIB([m],[ldexpl],[AC_DEFINE([HAVE_LDEXPL],[1],[libm includes ldexpl])])
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],[nextafter],[AC_DEFINE([HAVE_NEXTAFTER],[1],[libm includes nextafter])])
+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],[round],[AC_DEFINE([HAVE_ROUND],[1],[libm includes round])])
+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],[lroundf],[AC_DEFINE([HAVE_LROUNDF],[1],[libm includes lroundf])])
+AC_CHECK_LIB([m],[lround],[AC_DEFINE([HAVE_LROUND],[1],[libm includes lround])])
+AC_CHECK_LIB([m],[lroundl],[AC_DEFINE([HAVE_LROUNDL],[1],[libm includes lroundl])])
+AC_CHECK_LIB([m],[llroundf],[AC_DEFINE([HAVE_LLROUNDF],[1],[libm includes llroundf])])
+AC_CHECK_LIB([m],[llround],[AC_DEFINE([HAVE_LLROUND],[1],[libm includes llround])])
+AC_CHECK_LIB([m],[llroundl],[AC_DEFINE([HAVE_LLROUNDL],[1],[libm includes llroundl])])
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],[erfc],[AC_DEFINE([HAVE_ERFC],[1],[libm includes erfc])])
+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],[erff],[AC_DEFINE([HAVE_ERFF],[1],[libm includes erff])])
-AC_CHECK_LIB([m],[j0],[AC_DEFINE([HAVE_J0],[1],[libm includes j0])])
+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],[j1],[AC_DEFINE([HAVE_J1],[1],[libm includes j1])])
+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],[jn],[AC_DEFINE([HAVE_JN],[1],[libm includes jn])])
+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],[y0],[AC_DEFINE([HAVE_Y0],[1],[libm includes y0])])
+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],[y1],[AC_DEFINE([HAVE_Y1],[1],[libm includes y1])])
+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],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])])
+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])])
+AC_CHECK_LIB([m],[tgamma],[AC_DEFINE([HAVE_TGAMMA],[1],[libm includes tgamma])])
+AC_CHECK_LIB([m],[tgammaf],[AC_DEFINE([HAVE_TGAMMAF],[1],[libm includes tgammaf])])
+AC_CHECK_LIB([m],[tgammal],[AC_DEFINE([HAVE_TGAMMAL],[1],[libm includes tgammal])])
+AC_CHECK_LIB([m],[lgamma],[AC_DEFINE([HAVE_LGAMMA],[1],[libm includes lgamma])])
+AC_CHECK_LIB([m],[lgammaf],[AC_DEFINE([HAVE_LGAMMAF],[1],[libm includes lgammaf])])
+AC_CHECK_LIB([m],[lgammal],[AC_DEFINE([HAVE_LGAMMAL],[1],[libm includes lgammal])])
-# Let the user override this
-AC_ARG_ENABLE(cmath,
- AC_HELP_STRING([--enable-cmath],[Include complex math functions]),
- [need_math=$enableval])
-if test "$need_math" = "yes"; then
- AC_MSG_NOTICE([Including complex math functions in libgfor]);
- extra_math_obj='$(gfor_cmath_obj)'
-fi
+# Check for GFORTRAN_C99_1.1 funcs
+AC_CHECK_LIB([m],[cacos],[AC_DEFINE([HAVE_CACOS],[1],[libm includes cacos])])
+AC_CHECK_LIB([m],[cacosf],[AC_DEFINE([HAVE_CACOSF],[1],[libm includes cacosf])])
+AC_CHECK_LIB([m],[cacosh],[AC_DEFINE([HAVE_CACOSH],[1],[libm includes cacosh])])
+AC_CHECK_LIB([m],[cacoshf],[AC_DEFINE([HAVE_CACOSHF],[1],[libm includes cacoshf])])
+AC_CHECK_LIB([m],[cacoshl],[AC_DEFINE([HAVE_CACOSHL],[1],[libm includes cacoshl])])
+AC_CHECK_LIB([m],[cacosl],[AC_DEFINE([HAVE_CACOSL],[1],[libm includes cacosl])])
+AC_CHECK_LIB([m],[casin],[AC_DEFINE([HAVE_CASIN],[1],[libm includes casin])])
+AC_CHECK_LIB([m],[casinf],[AC_DEFINE([HAVE_CASINF],[1],[libm includes casinf])])
+AC_CHECK_LIB([m],[casinh],[AC_DEFINE([HAVE_CASINH],[1],[libm includes casinh])])
+AC_CHECK_LIB([m],[casinhf],[AC_DEFINE([HAVE_CASINHF],[1],[libm includes casinhf])])
+AC_CHECK_LIB([m],[casinhl],[AC_DEFINE([HAVE_CASINHL],[1],[libm includes casinhl])])
+AC_CHECK_LIB([m],[casinl],[AC_DEFINE([HAVE_CASINL],[1],[libm includes casinl])])
+AC_CHECK_LIB([m],[catan],[AC_DEFINE([HAVE_CATAN],[1],[libm includes catan])])
+AC_CHECK_LIB([m],[catanf],[AC_DEFINE([HAVE_CATANF],[1],[libm includes catanf])])
+AC_CHECK_LIB([m],[catanh],[AC_DEFINE([HAVE_CATANH],[1],[libm includes catanh])])
+AC_CHECK_LIB([m],[catanhf],[AC_DEFINE([HAVE_CATANHF],[1],[libm includes catanhf])])
+AC_CHECK_LIB([m],[catanhl],[AC_DEFINE([HAVE_CATANHL],[1],[libm includes catanhl])])
+AC_CHECK_LIB([m],[catanl],[AC_DEFINE([HAVE_CATANL],[1],[libm includes 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
+
+# Check whether __mingw_snprintf() is present
+LIBGFOR_CHECK_MINGW_SNPRINTF
+
+# Check for a broken powf implementation
+LIBGFOR_CHECK_FOR_BROKEN_POWF
+
+# Check for GNU libc feenableexcept
+AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])])
+
+# Check for SysV fpsetmask
+LIBGFOR_CHECK_FPSETMASK
+
+# 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])])
+AC_CHECK_FUNC([fp_enable],[have_fp_enable=yes AC_DEFINE([HAVE_FP_ENABLE],[1],[fp_enable is present])])
+
+# Runs configure.host to set up necessary host-dependent shell variables.
+# We then display a message about it, and propagate them through the
+# build chain.
+. ${srcdir}/configure.host
+AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h])
+FPU_HOST_HEADER=config/${fpu_host}.h
+AC_SUBST(FPU_HOST_HEADER)
+
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS="${ieee_flags}"
+AC_SUBST(IEEE_FLAGS)
+
+# Check out attribute support.
+LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
+LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT
+LIBGFOR_CHECK_ATTRIBUTE_ALIAS
+
+# Check out sync builtins support.
+LIBGFOR_CHECK_SYNC_FETCH_AND_ADD
+
+# Check out thread support.
+LIBGFOR_CHECK_GTHR_DEFAULT
+
+# Check out #pragma weak.
+LIBGFOR_GTHREAD_WEAK
-AC_SUBST([MATH_OBJ],["$extra_math_obj"])
+# Various other checks on target
+LIBGFOR_CHECK_UNLINK_OPEN_FILE
-# 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
+# Check whether line terminator is LF or CRLF
+LIBGFOR_CHECK_CRLF
AC_CACHE_SAVE
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