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authorFrancois-Xavier Coudert <fxcoudert@gcc.gnu.org>2010-11-16 21:23:19 +0000
committerTobias Burnus <burnus@gcc.gnu.org>2010-11-16 22:23:19 +0100
commit1ec601bf9fb0fbc39b3a6cb90450500f857adae8 (patch)
treee26ad385cfada5f1f2c55f92057a0259de8b98d2 /libgfortran/configure
parent07078664fd6fdcb046cee4adf01ee697e56fcbd3 (diff)
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re PR fortran/32049 (Support on x86_64 also kind=16)
/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 * Makefile.def: Add libquadmath; build it with language=fortran. * configure.ac: Add libquadmath. * Makefile.tpl: Handle multiple libs in check-[+language+]. * Makefile.in: Regenerate. * configure: Regenerate. libquadmath/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 Initial implementation and checkin. gcc/fortran/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 * gfortranspec.c (find_spec_file): New function. (lang_specific_driver): Try to find .spec file and use it. * trans-io.c (iocall): Define * IOCALL_X_REAL128/COMPLEX128(,write). (gfc_build_io_library_fndecls): Build decl for __float128 I/O. (transfer_expr): Call __float128 I/O functions. * trans-types.c (gfc_init_kinds): Allow kind-16 belonging to __float128. gcc/testsuite/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 * gfortran.dg/quad_1.f90: New. * lib/gcc-defs.exp (gcc-set-multilib-library-path): Use also compiler arguments. * lib/gfortran.exp (gfortran_link_flags): Add libquadmath to library search path; call gcc-set-multilib-library-path with arguments such that libgfortran.spec is found. (gfortran_init): Add path for libgfortran.spec to GFORTRAN_UNDER_TEST. libgomp/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 * configure.ac: * configure: Regenerate. libgfortran/ 2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Tobias Burnus <burnus@net-b.de> PR fortran/32049 * Makefile.am: Add missing pow_r16_i4.c, add transfer128.c, link libquadmath, if used. * acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Add. * configure.ac: Use it, touch spec file. * gfortran.map: Add pow_r16_i4 and transfer_(real,complex)128(,write) functions. * intrinsics/cshift0.c (cshift0): Handle __float128 type. * intrinsics/erfc_scaled_inc.c: Ditto. * intrinsics/pack_generic.c (pack): Ditto * intrinsics/spread_generic.c (spread): Ditto. * intrinsics/unpack_generic.c (unpack1): Ditto. * io/read.c (convert_real): Ditto. * io/transfer.c: Update comments. * io/transfer128.c: New file. * io/write_float.def (write_float): Handle __float128 type. * libgfortran.h: #include quadmath_weak.h, define __builtin_infq and nanq. * m4/mtype.m4: Handle __float128 type. * runtime/in_pack_generic.c (internal_pack): Ditto. * runtime/in_unpack_generic.c (internal_unpack): Ditto. * kinds-override.h: New file. * libgfortran.spec.in: Ditto. * generated/pow_r16_i4.c: Generated. * Makefile.in: Regenerate. * configure: Regenerate. * config.h: Regenerate. * bessel_r10.c: Regenerate. * bessel_r16.c: Regenerate. * bessel_r4.c: Regenerate. * bessel_r8.c: Regenerate. * exponent_r16.c: Regenerate. * fraction_r16.c: Regenerate. * nearest_r16.c: Regenerate. * norm2_r10.c: Regenerate. * norm2_r16.c: Regenerate. * norm2_r4.c: Regenerate. * norm2_r8.c: Regenerate. * rrspacing_r16.c: Regenerate. * set_exponent_r16.c: Regenerate. * spacing_r16.c: Regenerate. Co-Authored-By: Tobias Burnus <burnus@net-b.de> From-SVN: r166825
Diffstat (limited to 'libgfortran/configure')
-rwxr-xr-xlibgfortran/configure148
1 files changed, 144 insertions, 4 deletions
diff --git a/libgfortran/configure b/libgfortran/configure
index cf2b587..a9d8092 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -597,12 +597,19 @@ ac_includes_default="\
# include <unistd.h>
#endif"
+ac_c_werror_flag=
ac_subst_vars='am__EXEEXT_FALSE
am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
IEEE_FLAGS
FPU_HOST_HEADER
+LIBGFOR_BUILD_QUAD_FALSE
+LIBGFOR_BUILD_QUAD_TRUE
+LIBQUADINCLUDE
+LIBQUADLIB_DEP
+LIBQUADLIB
+LIBQUADSPEC
extra_ldflags_libgfortran
ac_ct_FC
FCFLAGS
@@ -3408,6 +3415,9 @@ esac
+# Create a spec file, so that compile/link tests don't fail
+test -f libgfortran.spec || touch libgfortran.spec
+
# 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
@@ -11362,7 +11372,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11365 "configure"
+#line 11375 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11468,7 +11478,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11471 "configure"
+#line 11481 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -24286,6 +24296,131 @@ $as_echo "#define HAVE_BROKEN_POWF 1" >>confdefs.h
fi
+# Check whether we have a __float128 type
+
+ LIBQUADSPEC=
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we have a usable __float128 type" >&5
+$as_echo_n "checking whether we have a usable __float128 type... " >&6; }
+if test "${libgfor_cv_have_float128+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* no header */
+
+int
+main ()
+{
+
+ typedef _Complex float __attribute__((mode(TC))) __complex128;
+
+ __float128 x;
+ x = __builtin_huge_valq() - 2.e1000Q;
+
+ __complex128 z1, z2;
+ z1 = x;
+ z2 = 2.Q;
+
+ z1 /= z2;
+ z1 /= 7.Q;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ libgfor_cv_have_float128=yes
+else
+ libgfor_cv_have_float128=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_float128" >&5
+$as_echo "$libgfor_cv_have_float128" >&6; }
+
+ if test "x$libgfor_cv_have_float128" = xyes; then
+
+$as_echo "#define HAVE_FLOAT128 1" >>confdefs.h
+
+
+ ac_xsave_c_werror_flag=$ac_c_werror_flag
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --as-needed works" >&5
+$as_echo_n "checking whether --as-needed works... " >&6; }
+if test "${libgfor_cv_have_as_needed+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -Wl,--as-needed -lm -Wl,--no-as-needed"
+ libgfor_cv_have_as_needed=no
+
+ac_c_werror_flag=yes
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ libgfor_cv_have_as_needed=yes
+else
+ libgfor_cv_have_as_needed=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS="$save_LDFLAGS"
+ ac_c_werror_flag=$ac_xsave_c_werror_flag
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_as_needed" >&5
+$as_echo "$libgfor_cv_have_as_needed" >&6; }
+
+ if test "x$libgfor_cv_have_as_needed" = xyes; then
+ LIBQUADSPEC="%{static-libgfortran:--as-needed} -lquadmath %{static-libgfortran:--no-as-needed}"
+ else
+ LIBQUADSPEC="-lquadmath"
+ fi
+ if test -f ../libquadmath/libquadmath.la; then
+ LIBQUADLIB=../libquadmath/libquadmath.la
+ LIBQUADLIB_DEP=../libquadmath/libquadmath.la
+ LIBQUADINCLUDE='-I$(srcdir)/../libquadmath'
+ else
+ LIBQUADLIB="-lquadmath"
+ LIBQUADLIB_DEP=
+ LIBQUADINCLUDE=
+ fi
+ fi
+
+
+
+
+
+
+ if test "x$libgfor_cv_have_float128" = xyes; then
+ LIBGFOR_BUILD_QUAD_TRUE=
+ LIBGFOR_BUILD_QUAD_FALSE='#'
+else
+ LIBGFOR_BUILD_QUAD_TRUE='#'
+ LIBGFOR_BUILD_QUAD_FALSE=
+fi
+
+
+
# Check for GNU libc feenableexcept
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for feenableexcept in -lm" >&5
$as_echo_n "checking for feenableexcept in -lm... " >&6; }
@@ -24832,8 +24967,8 @@ else
multilib_arg=
fi
-# Write our Makefile.
-ac_config_files="$ac_config_files Makefile"
+# Write our Makefile and spec file.
+ac_config_files="$ac_config_files Makefile libgfortran.spec"
cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
@@ -24968,6 +25103,10 @@ if test -z "${LIBGFOR_USE_SYMVER_SUN_TRUE}" && test -z "${LIBGFOR_USE_SYMVER_SUN
as_fn_error "conditional \"LIBGFOR_USE_SYMVER_SUN\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${LIBGFOR_BUILD_QUAD_TRUE}" && test -z "${LIBGFOR_BUILD_QUAD_FALSE}"; then
+ as_fn_error "conditional \"LIBGFOR_BUILD_QUAD\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
: ${CONFIG_STATUS=./config.status}
ac_write_fail=0
@@ -25961,6 +26100,7 @@ do
"libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
"gstdint.h") CONFIG_COMMANDS="$CONFIG_COMMANDS gstdint.h" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "libgfortran.spec") CONFIG_FILES="$CONFIG_FILES libgfortran.spec" ;;
*) as_fn_error "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
esac