748 lines
24 KiB
Plaintext
748 lines
24 KiB
Plaintext
# Process this file with autoconf to produce a configure script, like so:
|
||
# aclocal && autoconf && autoheader && automake
|
||
|
||
AC_INIT([GNU Fortran Runtime Library], 0.3,,[libgfortran])
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AC_CONFIG_HEADER(config.h)
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||
GCC_TOPLEV_SUBDIRS
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||
|
||
# -------
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||
# Options
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||
# -------
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||
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||
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
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||
AC_ARG_ENABLE(version-specific-runtime-libs,
|
||
AS_HELP_STRING([--enable-version-specific-runtime-libs],
|
||
[specify that runtime libraries should be installed in a compiler-specific directory]),
|
||
[case "$enableval" in
|
||
yes) version_specific_libs=yes ;;
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||
no) version_specific_libs=no ;;
|
||
*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
|
||
esac],
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[version_specific_libs=no])
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||
AC_MSG_RESULT($version_specific_libs)
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||
|
||
# Build with intermodule optimisations
|
||
AC_MSG_CHECKING([for --enable-intermodule])
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||
AC_ARG_ENABLE(intermodule,
|
||
AS_HELP_STRING([--enable-intermodule],[build the library in one step]),
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||
[case "$enable_intermodule" in
|
||
yes) onestep="-onestep";;
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||
*) onestep="";;
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||
esac],
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||
[onestep=""])
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||
AC_MSG_RESULT($enable_intermodule)
|
||
AM_CONDITIONAL(onestep,[test x$onestep = x-onestep])
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||
AC_SUBST(onestep)
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||
|
||
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
|
||
#
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||
# You will slowly go insane if you do not grok the following fact: when
|
||
# building this library, the top-level /target/ becomes the library's /host/.
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||
#
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||
# configure then causes --target to default to --host, exactly like any
|
||
# other package using autoconf. Therefore, 'target' and 'host' will
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# always be the same. This makes sense both for native and cross compilers
|
||
# just think about it for a little while. :-)
|
||
#
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||
# Also, if this library is being configured as part of a cross compiler, the
|
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# top-level configure script will pass the "real" host as $with_cross_host.
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#
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# Do not delete or change the following two lines. For why, see
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# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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AC_CANONICAL_SYSTEM
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||
ACX_NONCANONICAL_TARGET
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||
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||
target_alias=${target_alias-$host_alias}
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||
AC_SUBST(target_alias)
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||
|
||
# Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
|
||
# following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
|
||
# 1.9.6: minimum required version
|
||
# no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
|
||
# of other PACKAGE_* variables will, however, and there's nothing
|
||
# we can do about that; they come from AC_INIT).
|
||
# foreign: we don't follow the normal rules for GNU packages (no COPYING
|
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# file in the top srcdir, etc, etc), so stop complaining.
|
||
# no-dist: we don't want 'dist' and related rules.
|
||
# -Wall: turns on all automake warnings...
|
||
# -Wno-portability: ...except this one, since GNU make is required.
|
||
AM_INIT_AUTOMAKE([1.9.6 no-define foreign no-dist -Wall -Wno-portability])
|
||
|
||
AM_MAINTAINER_MODE
|
||
AM_ENABLE_MULTILIB(, ..)
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||
|
||
# Handy for debugging:
|
||
#AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5
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||
|
||
# Are we being configured with some form of cross compiler?
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||
# NB: We don't actually need to know this just now, but when, say, a test
|
||
# suite is included, we'll have to know.
|
||
if test "$build" != "$host"; then
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LIBGFOR_IS_NATIVE=false
|
||
GCC_NO_EXECUTABLES
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||
else
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||
LIBGFOR_IS_NATIVE=true
|
||
fi
|
||
|
||
AC_USE_SYSTEM_EXTENSIONS
|
||
|
||
GCC_WITH_TOOLEXECLIBDIR
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||
|
||
# Calculate toolexeclibdir
|
||
# Also toolexecdir, though it's only used in toolexeclibdir
|
||
case ${version_specific_libs} in
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yes)
|
||
# Need the gcc compiler version to know where to install libraries
|
||
# and header files if --enable-version-specific-runtime-libs option
|
||
# is selected.
|
||
toolexecdir='$(libdir)/gcc/$(target_alias)'
|
||
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
|
||
;;
|
||
no)
|
||
if test -n "$with_cross_host" &&
|
||
test x"$with_cross_host" != x"no"; then
|
||
# Install a library built with a cross compiler in tooldir, not libdir.
|
||
toolexecdir='$(exec_prefix)/$(target_alias)'
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||
case ${with_toolexeclibdir} in
|
||
no)
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toolexeclibdir='$(toolexecdir)/lib'
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||
;;
|
||
*)
|
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toolexeclibdir=${with_toolexeclibdir}
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||
;;
|
||
esac
|
||
else
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||
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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||
toolexeclibdir='$(libdir)'
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||
fi
|
||
multi_os_directory=`$CC -print-multi-os-directory`
|
||
case $multi_os_directory in
|
||
.) ;; # Avoid trailing /.
|
||
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
||
esac
|
||
;;
|
||
esac
|
||
AC_SUBST(toolexecdir)
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||
AC_SUBST(toolexeclibdir)
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||
|
||
# Create a spec file, so that compile/link tests don't fail
|
||
test -f libgfortran.spec || touch libgfortran.spec
|
||
|
||
AC_LANG_C
|
||
# Check the compiler.
|
||
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
|
||
# We must force CC to /not/ be precious variables; otherwise
|
||
# the wrong, non-multilib-adjusted value will be used in multilibs.
|
||
# As a side effect, we have to subst CFLAGS ourselves.
|
||
|
||
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
|
||
m4_define([_AC_ARG_VAR_PRECIOUS],[])
|
||
AC_PROG_CC
|
||
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
|
||
|
||
AC_SUBST(CFLAGS)
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||
|
||
AM_PROG_CC_C_O
|
||
|
||
# Add -Wall -fno-repack-arrays -fno-underscoring if we are using GCC.
|
||
have_real_17=no
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||
if test "x$GCC" = "xyes"; then
|
||
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.
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||
AM_CFLAGS="-std=gnu11 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings -Werror=implicit-function-declaration -Werror=vla"
|
||
## Compile the following tests with the same system header contents
|
||
## that we'll encounter when compiling our own source files.
|
||
CFLAGS="-std=gnu11 $CFLAGS"
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||
|
||
case x$target in
|
||
xpowerpc64le*-linux*)
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||
AC_PREPROC_IFELSE(
|
||
[AC_LANG_PROGRAM([[#if __SIZEOF_LONG_DOUBLE__ != 16
|
||
#error long double is double
|
||
#endif]],
|
||
[[(void) 0;]])],
|
||
[AM_FCFLAGS="$AM_FCFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
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||
AM_CFLAGS="$AM_CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
|
||
CFLAGS="$CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
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||
have_real_17=yes])
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||
;;
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||
*)
|
||
;;
|
||
esac
|
||
fi
|
||
AM_CONDITIONAL([HAVE_REAL_17], [test "x$have_real_17" != xno])
|
||
|
||
# Add CET specific flags if CET is enabled
|
||
GCC_CET_FLAGS(CET_FLAGS)
|
||
AM_FCFLAGS="$AM_FCFLAGS $CET_FLAGS"
|
||
AM_CFLAGS="$AM_CFLAGS $CET_FLAGS"
|
||
CFLAGS="$CFLAGS $CET_FLAGS"
|
||
|
||
AC_SUBST(AM_FCFLAGS)
|
||
AC_SUBST(AM_CFLAGS)
|
||
AC_SUBST(CFLAGS)
|
||
|
||
# Check for symbol versioning (copied from libssp).
|
||
AC_MSG_CHECKING([whether symbol versioning is supported])
|
||
AC_ARG_ENABLE(symvers,
|
||
AS_HELP_STRING([--disable-symvers],
|
||
[disable symbol versioning for libgfortran]),
|
||
gfortran_use_symver=$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])
|
||
|
||
# For GPU offloading, not everything in libfortran can be supported.
|
||
# Currently, the only target that has this problem is nvptx. The
|
||
# following is a (partial) list of features that are unsupportable on
|
||
# this particular target:
|
||
# * Constructors
|
||
# * alloca
|
||
# * C library support for I/O, with printf as the one notable exception
|
||
# * C library support for other features such as signal, environment
|
||
# variables, time functions
|
||
|
||
AM_CONDITIONAL(LIBGFOR_MINIMAL, [test "x${target_cpu}" = xnvptx])
|
||
|
||
# Some compiler target support may have limited support for integer
|
||
# or floating point numbers – or may want to reduce the libgfortran size
|
||
# although they do have the support.
|
||
LIBGOMP_CHECKED_INT_KINDS="1 2 4 8 16"
|
||
LIBGOMP_CHECKED_REAL_KINDS="4 8 10 16"
|
||
|
||
AC_SUBST(LIBGOMP_CHECKED_INT_KINDS)
|
||
AC_SUBST(LIBGOMP_CHECKED_REAL_KINDS)
|
||
|
||
# Figure out whether the compiler supports "-ffunction-sections -fdata-sections",
|
||
# similarly to how libstdc++ does it
|
||
ac_test_CFLAGS="${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($ac_fdsections)
|
||
AC_SUBST(SECTION_FLAGS)
|
||
|
||
# Check linker hardware capability support.
|
||
GCC_CHECK_LINKER_HWCAP
|
||
|
||
# Find other programs we need.
|
||
AC_CHECK_TOOL(AS, as)
|
||
AC_CHECK_TOOL(AR, ar)
|
||
AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
|
||
AC_PROG_MAKE_SET
|
||
AC_PROG_INSTALL
|
||
|
||
# Configure libtool
|
||
#AC_MSG_NOTICE([====== Starting libtool configuration])
|
||
AC_LIBTOOL_DLOPEN
|
||
AM_PROG_LIBTOOL
|
||
LT_LIB_M
|
||
ACX_LT_HOST_FLAGS
|
||
AC_SUBST(enable_shared)
|
||
AC_SUBST(enable_static)
|
||
#AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10
|
||
|
||
# We need gfortran to compile parts of the library
|
||
#AC_PROG_FC(gfortran)
|
||
FC="$GFORTRAN"
|
||
AC_PROG_FC(gfortran)
|
||
|
||
# extra LD Flags which are required for targets
|
||
case "${host}" in
|
||
*-darwin*)
|
||
# Darwin needs -single_module when linking libgfortran
|
||
extra_ldflags_libgfortran=-Wl,-single_module
|
||
;;
|
||
esac
|
||
AC_SUBST(extra_ldflags_libgfortran)
|
||
|
||
# We need a working compiler at that point, otherwise give a clear
|
||
# error message and bail out.
|
||
LIBGFOR_WORKING_GFORTRAN
|
||
|
||
AC_SYS_LARGEFILE
|
||
|
||
# Types
|
||
AC_TYPE_OFF_T
|
||
AC_TYPE_INTPTR_T
|
||
AC_TYPE_UINTPTR_T
|
||
AC_CHECK_TYPES([ptrdiff_t])
|
||
|
||
# check header files (we assume C89 is available, so don't check for that)
|
||
AC_CHECK_HEADERS_ONCE(unistd.h sys/random.h sys/time.h sys/times.h \
|
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sys/resource.h sys/types.h sys/stat.h sys/uio.h sys/wait.h \
|
||
floatingpoint.h ieeefp.h fenv.h fptrap.h \
|
||
fpxcp.h pwd.h complex.h xlocale.h)
|
||
|
||
GCC_HEADER_STDINT(gstdint.h)
|
||
|
||
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_blocks, struct stat.st_rdev])
|
||
|
||
case "${host}--x${with_newlib}" in
|
||
mips*--xyes)
|
||
hardwire_newlib=1;;
|
||
nvptx*--xyes)
|
||
hardwire_newlib=1;;
|
||
esac
|
||
|
||
# Check for library functions.
|
||
if test "${hardwire_newlib:-0}" -eq 1; 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_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.])
|
||
|
||
# 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 getentropy getlogin gethostname kill link symlink \
|
||
sleep ttyname sigaction waitpid \
|
||
alarm access fork posix_spawn setmode fcntl writev \
|
||
gettimeofday stat fstat lstat getpwuid vsnprintf dup \
|
||
getcwd localtime_r gmtime_r getpwuid_r ttyname_r clock_gettime \
|
||
getgid getpid getuid geteuid umask getegid \
|
||
secure_getenv __secure_getenv mkostemp strnlen strndup newlocale \
|
||
freelocale uselocale strerror_l)
|
||
fi
|
||
|
||
# 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
|
||
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([fmaf])
|
||
GCC_CHECK_MATH_FUNC([fma])
|
||
GCC_CHECK_MATH_FUNC([fmal])
|
||
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([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([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([j1f])
|
||
GCC_CHECK_MATH_FUNC([j1])
|
||
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([y1f])
|
||
GCC_CHECK_MATH_FUNC([y1])
|
||
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([lgamma])
|
||
GCC_CHECK_MATH_FUNC([lgammaf])
|
||
|
||
# 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])
|
||
|
||
# For POWER, check the ieee128 math functions
|
||
|
||
if test "x$have_real_17" = "xyes"; then
|
||
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_REAL_17),[1],
|
||
[Define to 1 if you have REAL(KIND=17)])
|
||
|
||
LIBGFOR_CHECK_MATH_IEEE128([__acoshieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__acosieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__asinhieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__asinieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__atan2ieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__atanhieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__atanieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__coshieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__cosieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__erfieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__expieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__fabsieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__jnieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__log10ieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__logieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__powieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__sinhieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__sinieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__sqrtieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__tanhieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__tanieee128])
|
||
LIBGFOR_CHECK_MATH_IEEE128([__ynieee128])
|
||
fi
|
||
|
||
# On AIX, clog is present in libm as __clog
|
||
AC_CHECK_LIB([m],[__clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
|
||
|
||
GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK2([copysign], [double])
|
||
GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK2([copysignl], [long double])
|
||
GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK1([fabs], [double])
|
||
GCC_CHECK_MATH_INLINE_BUILTIN_FALLBACK1([fabsl], [long double])
|
||
|
||
# Check whether the system has a working stat()
|
||
LIBGFOR_CHECK_WORKING_STAT
|
||
|
||
# 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], [], [], [[
|
||
#ifdef HAVE_IEEEFP_H
|
||
#include <ieeefp.h>
|
||
#endif
|
||
#include <math.h>
|
||
]])
|
||
AC_CHECK_TYPES([fp_rnd,fp_rnd_t], [], [], [[
|
||
#ifdef HAVE_IEEEFP_H
|
||
#include <ieeefp.h>
|
||
#endif
|
||
#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])])
|
||
AC_CHECK_FUNC([fp_enable],[have_fp_enable=yes AC_DEFINE([HAVE_FP_ENABLE],[1],[fp_enable is present])])
|
||
|
||
# Check if _SOFT_FLOAT is defined
|
||
AC_CHECK_DEFINE([_SOFT_FLOAT],[have_soft_float=yes])
|
||
|
||
# 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])
|
||
AC_MSG_NOTICE([Support for IEEE modules: ${ieee_support}])
|
||
FPU_HOST_HEADER=config/${fpu_host}.h
|
||
AC_SUBST(FPU_HOST_HEADER)
|
||
|
||
# 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)
|
||
|
||
# Conditionalize the makefile for this target machine.
|
||
tmake_file_=
|
||
for f in ${tmake_file}
|
||
do
|
||
if test -f ${srcdir}/config/$f
|
||
then
|
||
tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
|
||
fi
|
||
done
|
||
tmake_file="${tmake_file_}"
|
||
AC_SUBST(tmake_file)
|
||
|
||
|
||
# Check for POSIX getpwuid_r
|
||
#
|
||
# There are two versions of getpwuid_r, the POSIX one with 5
|
||
# arguments, and another one with 4 arguments used by at least HP-UX
|
||
# 10.2.
|
||
if test "$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
|
||
|
||
|
||
# Check out attribute support.
|
||
LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
|
||
LIBGFOR_CHECK_ATTRIBUTE_ALIAS
|
||
|
||
# Check out atomic builtins support.
|
||
LIBGFOR_CHECK_ATOMIC_FETCH_ADD
|
||
|
||
# Check out #pragma weak.
|
||
LIBGFOR_GTHREAD_WEAK
|
||
|
||
# Check out weakref support.
|
||
LIBGFOR_CHECK_WEAKREF
|
||
|
||
# Various other checks on target
|
||
LIBGFOR_CHECK_UNLINK_OPEN_FILE
|
||
|
||
# Check whether line terminator is LF or CRLF
|
||
LIBGFOR_CHECK_CRLF
|
||
|
||
# Check whether we support AVX extensions
|
||
LIBGFOR_CHECK_AVX
|
||
|
||
# Check whether we support AVX2 extensions
|
||
LIBGFOR_CHECK_AVX2
|
||
|
||
# Check whether we support AVX512f extensions
|
||
LIBGFOR_CHECK_AVX512F
|
||
|
||
# Check for FMA3 extensions
|
||
LIBGFOR_CHECK_FMA3
|
||
|
||
# Check for FMA4 extensions
|
||
LIBGFOR_CHECK_FMA4
|
||
|
||
# Check if AVX128 works
|
||
LIBGFOR_CHECK_AVX128
|
||
|
||
# Determine what GCC version number to use in filesystem paths.
|
||
GCC_BASE_VER
|
||
|
||
AC_CACHE_SAVE
|
||
|
||
if test ${multilib} = yes; then
|
||
multilib_arg="--enable-multilib"
|
||
else
|
||
multilib_arg=
|
||
fi
|
||
|
||
# Write our Makefile and spec file.
|
||
AC_CONFIG_FILES([
|
||
Makefile
|
||
libgfortran.spec
|
||
])
|
||
AC_OUTPUT
|