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merge from gcc

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This commit is contained in:
DJ Delorie 2011-08-22 17:16:25 +00:00
parent dc15e575ad
commit 601a99c67b
4 changed files with 94 additions and 42 deletions
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7
libiberty/ChangeLog
View file

@ -1,3 +1,10 @@
2011-08-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* aclocal.m4: Include ../config/picflag.m4.
* configure.ac (GCC_PICFLAG): Call it.
(enable_shared): Clear PICFLAG unless shared.
* configure: Regenerate.
2011-08-12 Steve Ellcey <sje@cup.hp.com>
* md5.c (md5_read_ctx): Handle mis-aligned resbuf pointer.

1
libiberty/aclocal.m4 vendored
View file

@ -1,6 +1,7 @@
sinclude(../config/acx.m4)
sinclude(../config/no-executables.m4)
sinclude(../config/override.m4)
sinclude(../config/picflag.m4)
sinclude(../config/warnings.m4)
dnl See whether strncmp reads past the end of its string parameters.

103
libiberty/configure vendored
View file

@ -4840,6 +4840,86 @@ if [ -n "${frag}" ]; then
frag=${libiberty_topdir}/libiberty/config/$frag
fi
case "${host}" in
# PIC is the default on some targets or must not be used.
*-*-darwin*)
# PIC is the default on this platform
# Common symbols not allowed in MH_DYLIB files
PICFLAG=-fno-common
;;
alpha*-dec-osf5*)
# PIC is the default.
;;
hppa*64*-*-hpux*)
# PIC is the default for 64-bit PA HP-UX.
;;
i[34567]86-*-cygwin* | i[34567]86-*-mingw* | x86_64-*-mingw*)
;;
i[34567]86-*-interix3*)
# Interix 3.x gcc -fpic/-fPIC options generate broken code.
# Instead, we relocate shared libraries at runtime.
;;
i[34567]86-*-nto-qnx*)
# QNX uses GNU C++, but need to define -shared option too, otherwise
# it will coredump.
PICFLAG='-fPIC -shared'
;;
i[34567]86-pc-msdosdjgpp*)
# DJGPP does not support shared libraries at all.
;;
ia64*-*-hpux*)
# On IA64 HP-UX, PIC is the default but the pic flag
# sets the default TLS model and affects inlining.
PICFLAG=-fPIC
;;
mips-sgi-irix6*)
# PIC is the default.
;;
rs6000-ibm-aix* | powerpc-ibm-aix*)
# All AIX code is PIC.
;;
# Some targets support both -fPIC and -fpic, but prefer the latter.
# FIXME: Why?
i[34567]86-*-* | x86_64-*-*)
PICFLAG=-fpic
;;
m68k-*-*)
PICFLAG=-fpic
;;
s390*-*-*)
PICFLAG=-fpic
;;
# FIXME: Override -fPIC default in libgcc only?
sh-*-linux* | sh[2346lbe]*-*-linux*)
PICFLAG=-fpic
;;
# FIXME: Simplify to sh*-*-netbsd*?
sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
sh64-*-netbsd* | sh64l*-*-netbsd*)
PICFLAG=-fpic
;;
# Default to -fPIC unless specified otherwise.
*)
PICFLAG=-fPIC
;;
esac
# If the user explicitly uses -fpic/-fPIC, keep that.
case "${CFLAGS}" in
*-fpic*)
PICFLAG=-fpic
;;
*-fPIC*)
PICFLAG=-fPIC
;;
esac
# If they didn't specify --enable-shared, don't generate shared libs.
case "${enable_shared}" in
yes) shared=yes ;;
@ -4847,27 +4927,8 @@ case "${enable_shared}" in
"") shared=no ;;
*) shared=yes ;;
esac
if [ "${shared}" = "yes" ]; then
case "${host}" in
*-*-cygwin*) ;;
alpha*-*-linux*) PICFLAG=-fPIC ;;
arm*-*-*) PICFLAG=-fPIC ;;
hppa*-*-*) PICFLAG=-fPIC ;;
i370-*-*) PICFLAG=-fPIC ;;
ia64-*-*) PICFLAG=-fpic ;;
i[34567]86-*-* | x86_64-*-*)
PICFLAG=-fpic ;;
m68k-*-*) PICFLAG=-fpic ;;
mips*-*-linux*) PICFLAG=-fPIC ;;
powerpc*-*-aix*) ;;
powerpc*-*-*) PICFLAG=-fPIC ;;
sparc*-*-*) case "${CFLAGS}" in
*-fpic* ) PICFLAG=-fpic ;;
* ) PICFLAG=-fPIC ;;
esac ;;
s390*-*-*) PICFLAG=-fpic ;;
sh*-*-*) PICFLAG=-fPIC ;;
esac
if [ "${shared}" != "yes" ]; then
PICFLAG=
fi

25
libiberty/configure.ac
View file

@ -191,6 +191,8 @@ if [[ -n "${frag}" ]]; then
frag=${libiberty_topdir}/libiberty/config/$frag
fi
GCC_PICFLAG
# If they didn't specify --enable-shared, don't generate shared libs.
case "${enable_shared}" in
yes) shared=yes ;;
@ -198,27 +200,8 @@ case "${enable_shared}" in
"") shared=no ;;
*) shared=yes ;;
esac
if [[ "${shared}" = "yes" ]]; then
case "${host}" in
*-*-cygwin*) ;;
alpha*-*-linux*) PICFLAG=-fPIC ;;
arm*-*-*) PICFLAG=-fPIC ;;
hppa*-*-*) PICFLAG=-fPIC ;;
i370-*-*) PICFLAG=-fPIC ;;
ia64-*-*) PICFLAG=-fpic ;;
i[[34567]]86-*-* | x86_64-*-*)
PICFLAG=-fpic ;;
m68k-*-*) PICFLAG=-fpic ;;
mips*-*-linux*) PICFLAG=-fPIC ;;
powerpc*-*-aix*) ;;
powerpc*-*-*) PICFLAG=-fPIC ;;
sparc*-*-*) case "${CFLAGS}" in
*-fpic* ) PICFLAG=-fpic ;;
* ) PICFLAG=-fPIC ;;
esac ;;
s390*-*-*) PICFLAG=-fpic ;;
sh*-*-*) PICFLAG=-fPIC ;;
esac
if [[ "${shared}" != "yes" ]]; then
PICFLAG=
fi
AC_SUBST(PICFLAG)