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Commit 3a5729ea by Kaveh R. Ghazi Committed by Kaveh Ghazi
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re PR middle-end/30447 (Evaluate complex math functions at compile-time) 

	PR middle-end/30447
	PR middle-end/30789
	PR other/40302

	* configure.ac: Require MPC.
	* configure: Regenerate.
gcc:
	* doc/install.texi: Document MPC is required.

From-SVN: r155023
parent 2ef0f9c6
Showing with 89 additions and 160 deletions
ChangeLog
2009-12-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/30447
PR middle-end/30789
PR other/40302
* configure.ac: Require MPC.
* configure: Regenerate.
2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> 2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
PR target/38384 PR target/38384
......
configure
...@@ -5285,12 +5285,9 @@ fi ...@@ -5285,12 +5285,9 @@ fi
# Check for GMP, MPFR and MPC # Check for GMP, MPFR and MPC
gmplibs="-lmpfr -lgmp" gmplibs="-lmpc -lmpfr -lgmp"
gmpinc= gmpinc=
have_gmp=no have_gmp=no
mpclibs=-lmpc
mpcinc=
have_mpc=no
# Specify a location for mpc # Specify a location for mpc
# check for this first so it ends up on the link line before mpfr. # check for this first so it ends up on the link line before mpfr.
...@@ -5314,23 +5311,23 @@ fi ...@@ -5314,23 +5311,23 @@ fi
if test "x$with_mpc" != x; then if test "x$with_mpc" != x; then
mpclibs="-L$with_mpc/lib -lmpc" gmplibs="-L$with_mpc/lib $gmplibs"
mpcinc="-I$with_mpc/include $mpcinc" gmpinc="-I$with_mpc/include $gmpinc"
fi fi
if test "x$with_mpc_include" != x; then if test "x$with_mpc_include" != x; then
mpcinc="-I$with_mpc_include $mpcinc" gmpinc="-I$with_mpc_include $gmpinc"
fi fi
if test "x$with_mpc_lib" != x; then if test "x$with_mpc_lib" != x; then
mpclibs="-L$with_mpc_lib -lmpc" gmplibs="-L$with_mpc_lib $gmplibs"
fi fi
if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc' gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs '"$gmplibs"
mpcinc='-I$$s/mpc/src '"$mpcinc" gmpinc='-I$$s/mpc/src '"$gmpinc"
# Do not test the mpc version. Assume that it is sufficient, since # Do not test the mpc version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet # it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below # but it would be included on the link line in the version check below
# hence making the test fail. # hence making the test fail.
have_mpc=yes have_gmp=yes
fi fi
# Specify a location for mpfr # Specify a location for mpfr
...@@ -5364,10 +5361,10 @@ fi ...@@ -5364,10 +5361,10 @@ fi
if test "x$with_mpfr" != x; then if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs" gmplibs="-L$with_mpfr/lib $gmplibs"
gmpinc="-I$with_mpfr/include" gmpinc="-I$with_mpfr/include $gmpinc"
fi fi
if test "x$with_mpfr_include" != x; then if test "x$with_mpfr_include" != x; then
gmpinc="-I$with_mpfr_include" gmpinc="-I$with_mpfr_include $gmpinc"
fi fi
if test "x$with_mpfr_lib" != x; then if test "x$with_mpfr_lib" != x; then
gmplibs="-L$with_mpfr_lib $gmplibs" gmplibs="-L$with_mpfr_lib $gmplibs"
...@@ -5519,8 +5516,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ...@@ -5519,8 +5516,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi fi
# Check for the MPC header version. # Check for the MPC header version.
if test x"$have_mpc" != xyes ; then if test x"$have_gmp" = xyes ; then
CFLAGS="$CFLAGS $mpcinc"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of mpc.h" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of mpc.h" >&5
$as_echo_n "checking for the correct version of mpc.h... " >&6; } $as_echo_n "checking for the correct version of mpc.h... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext cat confdefs.h - <<_ACEOF >conftest.$ac_ext
...@@ -5540,10 +5536,10 @@ main () ...@@ -5540,10 +5536,10 @@ main ()
_ACEOF _ACEOF
if ac_fn_c_try_compile "$LINENO"; then : if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }; have_mpc=maybe $as_echo "yes" >&6; }
else else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }; have_mpc=no; mpclibs= ; mpcinc= $as_echo "no" >&6; }; have_gmp=no
fi fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi fi
...@@ -5552,24 +5548,32 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ...@@ -5552,24 +5548,32 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test x"$have_gmp" = xyes; then if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS" saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs" LIBS="$LIBS $gmplibs"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of the gmp/mpfr libraries" >&5 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of the gmp/mpfr/mpc libraries" >&5
$as_echo_n "checking for the correct version of the gmp/mpfr libraries... " >&6; } $as_echo_n "checking for the correct version of the gmp/mpfr/mpc libraries... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */ /* end confdefs.h. */
#include <gmp.h> #include <mpc.h>
#include <mpfr.h>
int int
main () main ()
{ {
mpfr_t n; mpfr_t n;
mpfr_t x; mpfr_t x;
mpc_t c;
int t; int t;
mpfr_init (n); mpfr_init (n);
mpfr_init (x); mpfr_init (x);
mpfr_atan2 (n, n, x, GMP_RNDN); mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN); mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN); mpfr_subnormalize (x, t, GMP_RNDN);
mpfr_clear(n);
mpfr_clear(x);
mpc_init2 (c, 53);
mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
mpc_cosh (c, c, MPC_RNDNN);
mpc_pow (c, c, c, MPC_RNDNN);
mpc_acosh (c, c, MPC_RNDNN);
mpc_clear (c);
; ;
return 0; return 0;
...@@ -5587,75 +5591,21 @@ rm -f core conftest.err conftest.$ac_objext \ ...@@ -5587,75 +5591,21 @@ rm -f core conftest.err conftest.$ac_objext \
LIBS="$saved_LIBS" LIBS="$saved_LIBS"
fi fi
if test x"$have_mpc" = xmaybe; then
saved_LIBS="$LIBS"
LIBS="$LIBS $mpclibs $gmplibs"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the correct version of the mpc library" >&5
$as_echo_n "checking for the correct version of the mpc library... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <mpc.h>
int
main ()
{
mpc_t n;
mpc_init2 (n, 53);
mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
mpc_sin (n, n, MPC_RNDNN);
mpc_cos (n, n, MPC_RNDNN);
mpc_tan (n, n, MPC_RNDNN);
mpc_sinh (n, n, MPC_RNDNN);
mpc_cosh (n, n, MPC_RNDNN);
mpc_tanh (n, n, MPC_RNDNN);
mpc_exp (n, n, MPC_RNDNN);
mpc_log (n, n, MPC_RNDNN);
mpc_sqrt (n, n, MPC_RNDNN);
mpc_proj (n, n, MPC_RNDNN);
mpc_neg (n, n, MPC_RNDNN);
mpc_sqr (n, n, MPC_RNDNN);
mpc_pow (n, n, n, MPC_RNDNN);
mpc_acosh (n, n, MPC_RNDNN);
mpc_clear (n);
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }; have_mpc=yes
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }; have_mpc=no; mpclibs= ; mpcinc=
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS="$saved_LIBS"
fi
CFLAGS="$saved_CFLAGS" CFLAGS="$saved_CFLAGS"
if test x$have_gmp != xyes; then if test x$have_gmp != xyes; then
as_fn_error "Building GCC requires GMP 4.2+ and MPFR 2.3.2+. as_fn_error "Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
Try the --with-gmp and/or --with-mpfr options to specify their locations. Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
Copies of these libraries' source code can be found at their respective their locations. Source code for these libraries can be found at
hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/. their respective hosting sites as well as at
See also http://gcc.gnu.org/install/prerequisites.html for additional info. ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
If you obtained GMP and/or MPFR from a vendor distribution package, make http://gcc.gnu.org/install/prerequisites.html for additional info. If
sure that you have installed both the libraries and the header files. you obtained GMP, MPFR and/or MPC from a vendor distribution package,
They may be located in separate packages." "$LINENO" 5 make sure that you have installed both the libraries and the header
files. They may be located in separate packages." "$LINENO" 5
fi fi
fi fi
if test x$have_mpc != xyes ; then
mpcinc=
mpclibs=
fi
gmpinc="$mpcinc $gmpinc"
gmplibs="$mpclibs $gmplibs"
# Flags needed for both GMP, MPFR and/or MPC. # Flags needed for both GMP, MPFR and/or MPC.
......
configure.ac
...@@ -1228,12 +1228,9 @@ ENABLE_BUILD_WITH_CXX=$enableval, ...@@ -1228,12 +1228,9 @@ ENABLE_BUILD_WITH_CXX=$enableval,
ENABLE_BUILD_WITH_CXX=no) ENABLE_BUILD_WITH_CXX=no)
# Check for GMP, MPFR and MPC # Check for GMP, MPFR and MPC
gmplibs="-lmpfr -lgmp" gmplibs="-lmpc -lmpfr -lgmp"
gmpinc= gmpinc=
have_gmp=no have_gmp=no
mpclibs=-lmpc
mpcinc=
have_mpc=no
# Specify a location for mpc # Specify a location for mpc
# check for this first so it ends up on the link line before mpfr. # check for this first so it ends up on the link line before mpfr.
...@@ -1245,23 +1242,23 @@ AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH ...@@ -1245,23 +1242,23 @@ AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library]) AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
if test "x$with_mpc" != x; then if test "x$with_mpc" != x; then
mpclibs="-L$with_mpc/lib -lmpc" gmplibs="-L$with_mpc/lib $gmplibs"
mpcinc="-I$with_mpc/include $mpcinc" gmpinc="-I$with_mpc/include $gmpinc"
fi fi
if test "x$with_mpc_include" != x; then if test "x$with_mpc_include" != x; then
mpcinc="-I$with_mpc_include $mpcinc" gmpinc="-I$with_mpc_include $gmpinc"
fi fi
if test "x$with_mpc_lib" != x; then if test "x$with_mpc_lib" != x; then
mpclibs="-L$with_mpc_lib -lmpc" gmplibs="-L$with_mpc_lib $gmplibs"
fi fi
if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc' gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs '"$gmplibs"
mpcinc='-I$$s/mpc/src '"$mpcinc" gmpinc='-I$$s/mpc/src '"$gmpinc"
# Do not test the mpc version. Assume that it is sufficient, since # Do not test the mpc version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet # it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below # but it would be included on the link line in the version check below
# hence making the test fail. # hence making the test fail.
have_mpc=yes have_gmp=yes
fi fi
# Specify a location for mpfr # Specify a location for mpfr
...@@ -1279,10 +1276,10 @@ AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the insta ...@@ -1279,10 +1276,10 @@ AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the insta
if test "x$with_mpfr" != x; then if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs" gmplibs="-L$with_mpfr/lib $gmplibs"
gmpinc="-I$with_mpfr/include" gmpinc="-I$with_mpfr/include $gmpinc"
fi fi
if test "x$with_mpfr_include" != x; then if test "x$with_mpfr_include" != x; then
gmpinc="-I$with_mpfr_include" gmpinc="-I$with_mpfr_include $gmpinc"
fi fi
if test "x$with_mpfr_lib" != x; then if test "x$with_mpfr_lib" != x; then
gmplibs="-L$with_mpfr_lib $gmplibs" gmplibs="-L$with_mpfr_lib $gmplibs"
...@@ -1363,86 +1360,57 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then ...@@ -1363,86 +1360,57 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
fi fi
# Check for the MPC header version. # Check for the MPC header version.
if test x"$have_mpc" != xyes ; then if test x"$have_gmp" = xyes ; then
CFLAGS="$CFLAGS $mpcinc"
AC_MSG_CHECKING([for the correct version of mpc.h]) AC_MSG_CHECKING([for the correct version of mpc.h])
AC_TRY_COMPILE([#include <mpc.h>],[ AC_TRY_COMPILE([#include <mpc.h>],[
#if MPC_VERSION < MPC_VERSION_NUM (0,8,0) #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
choke me choke me
#endif #endif
], [AC_MSG_RESULT([yes]); have_mpc=maybe], ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
[AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
fi fi
# Now check the MPFR library. # Now check the MPFR library.
if test x"$have_gmp" = xyes; then if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS" saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs" LIBS="$LIBS $gmplibs"
AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries]) AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
AC_TRY_LINK([#include <gmp.h> AC_TRY_LINK([#include <mpc.h>],[
#include <mpfr.h>],[
mpfr_t n; mpfr_t n;
mpfr_t x; mpfr_t x;
mpc_t c;
int t; int t;
mpfr_init (n); mpfr_init (n);
mpfr_init (x); mpfr_init (x);
mpfr_atan2 (n, n, x, GMP_RNDN); mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN); mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN); mpfr_subnormalize (x, t, GMP_RNDN);
mpfr_clear(n);
mpfr_clear(x);
mpc_init2 (c, 53);
mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
mpc_cosh (c, c, MPC_RNDNN);
mpc_pow (c, c, c, MPC_RNDNN);
mpc_acosh (c, c, MPC_RNDNN);
mpc_clear (c);
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
LIBS="$saved_LIBS" LIBS="$saved_LIBS"
fi fi
if test x"$have_mpc" = xmaybe; then
saved_LIBS="$LIBS"
LIBS="$LIBS $mpclibs $gmplibs"
AC_MSG_CHECKING([for the correct version of the mpc library])
AC_TRY_LINK([#include <mpc.h>],[
mpc_t n;
mpc_init2 (n, 53);
mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
mpc_sin (n, n, MPC_RNDNN);
mpc_cos (n, n, MPC_RNDNN);
mpc_tan (n, n, MPC_RNDNN);
mpc_sinh (n, n, MPC_RNDNN);
mpc_cosh (n, n, MPC_RNDNN);
mpc_tanh (n, n, MPC_RNDNN);
mpc_exp (n, n, MPC_RNDNN);
mpc_log (n, n, MPC_RNDNN);
mpc_sqrt (n, n, MPC_RNDNN);
mpc_proj (n, n, MPC_RNDNN);
mpc_neg (n, n, MPC_RNDNN);
mpc_sqr (n, n, MPC_RNDNN);
mpc_pow (n, n, n, MPC_RNDNN);
mpc_acosh (n, n, MPC_RNDNN);
mpc_clear (n);
], [AC_MSG_RESULT([yes]); have_mpc=yes],
[AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
LIBS="$saved_LIBS"
fi
CFLAGS="$saved_CFLAGS" CFLAGS="$saved_CFLAGS"
if test x$have_gmp != xyes; then if test x$have_gmp != xyes; then
AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+. AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
Try the --with-gmp and/or --with-mpfr options to specify their locations. Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
Copies of these libraries' source code can be found at their respective their locations. Source code for these libraries can be found at
hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/. their respective hosting sites as well as at
See also http://gcc.gnu.org/install/prerequisites.html for additional info. ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
If you obtained GMP and/or MPFR from a vendor distribution package, make http://gcc.gnu.org/install/prerequisites.html for additional info. If
sure that you have installed both the libraries and the header files. you obtained GMP, MPFR and/or MPC from a vendor distribution package,
They may be located in separate packages.]) make sure that you have installed both the libraries and the header
files. They may be located in separate packages.])
fi fi
fi fi
if test x$have_mpc != xyes ; then
mpcinc=
mpclibs=
fi
gmpinc="$mpcinc $gmpinc"
gmplibs="$mpclibs $gmplibs"
# Flags needed for both GMP, MPFR and/or MPC. # Flags needed for both GMP, MPFR and/or MPC.
AC_SUBST(gmplibs) AC_SUBST(gmplibs)
AC_SUBST(gmpinc) AC_SUBST(gmpinc)
......
gcc/ChangeLog
2009-12-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* doc/install.texi: Document MPC is required.
2009-12-06 Uros Bizjak <ubizjak@gmail.com> 2009-12-06 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386-md (g): Add HImode and QImode. * config/i386/i386-md (g): Add HImode and QImode.
gcc/doc/install.texi
...@@ -321,6 +321,16 @@ default library search path. See also @option{--with-mpfr-lib} and ...@@ -321,6 +321,16 @@ default library search path. See also @option{--with-mpfr-lib} and
distribution is found in a subdirectory of your GCC sources named distribution is found in a subdirectory of your GCC sources named
@file{mpfr}, it will be built together with GCC@. @file{mpfr}, it will be built together with GCC@.
@item MPC Library version 0.8.0 (or later)
Necessary to build GCC@. It can be downloaded from
@uref{http://www.multiprecision.org/}. The @option{--with-mpc}
configure option should be used if your MPC Library is not installed
in your default library search path. See also @option{--with-mpc-lib}
and @option{--with-mpc-include}. Alternatively, if an MPC source
distribution is found in a subdirectory of your GCC sources named
@file{mpc}, it will be built together with GCC@.
@item Parma Polyhedra Library (PPL) version 0.10 @item Parma Polyhedra Library (PPL) version 0.10
Necessary to build GCC with the Graphite loop optimizations. Necessary to build GCC with the Graphite loop optimizations.
...@@ -344,18 +354,6 @@ not installed in your default library search path. ...@@ -344,18 +354,6 @@ not installed in your default library search path.
Necessary to build libgcj, the GCJ runtime. Necessary to build libgcj, the GCJ runtime.
@item MPC Library version 0.8.0 (or later)
Optional when building GCC@. Having this library will enable
additional optimizations on complex numbers. It can be downloaded
from @uref{http://www.multiprecision.org/mpc/}. The
@option{--with-mpc} configure option should be used if your MPC
Library is not installed in your default library search path. See
also @option{--with-mpc-lib} and @option{--with-mpc-include}.
Alternatively, if an MPC source distribution is found in a
subdirectory of your GCC sources named @file{mpc}, it will be built
together with GCC@.
@item libelf version 0.8.12 (or later) @item libelf version 0.8.12 (or later)
Necessary to build link-time optimization (LTO) support. It can be Necessary to build link-time optimization (LTO) support. It can be
......
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