crosstool-ng/packages/gcc/10.5.0/0002-gcc-plugin-Win-Dont-need-undefined-extern-var-refs-nor-fpic.patch
Chris Packham dac4403390 gcc: Update 10.4 -> 10.5
Add GCC 10.5.0 and regenerate patches against the new version.

https://gcc.gnu.org/pipermail/gcc-announce/2023/000178.html
https://gcc.gnu.org/gcc-10/changes.html

Signed-off-by: Chris Packham <judge.packham@gmail.com>
2023-07-14 14:01:33 +12:00

164 lines
4.4 KiB
Diff

---
config/gcc-plugin.m4 | 18 +++++++++++++-----
gcc/configure | 22 +++++++++++++++-------
libcc1/configure | 22 +++++++++++++++-------
3 files changed, 43 insertions(+), 19 deletions(-)
--- a/config/gcc-plugin.m4
+++ b/config/gcc-plugin.m4
@@ -21,6 +21,9 @@
pluginlibs=
plugin_check=yes
+ PICFLAG="-fPIC"
+ UNDEFINEDPREAMBLE="extern int X;"
+ UNDEFINEDCODE="return X == 0;"
case "${host}" in
*-*-mingw*)
# Since plugin support under MinGW is not as straightforward as on
@@ -43,6 +46,11 @@
export_sym_check=
fi
;;
+ *-*-mingw*|*-*-cygwin*|*-*-msys*)
+ PICFLAG=""
+ UNDEFINEDPREAMBLE=""
+ UNDEFINEDCODE=""
+ ;;
*)
if test x$build = x$host; then
export_sym_check="objdump${exeext} -T"
@@ -94,17 +102,17 @@
case "${host}" in
*-*-darwin*)
CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
- CFLAGS="$CFLAGS -fPIC"
+ CFLAGS="$CFLAGS ${PICFLAG}"
LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
;;
*)
- CFLAGS="$CFLAGS -fPIC"
- LDFLAGS="$LDFLAGS -fPIC -shared"
+ CFLAGS="$CFLAGS ${PICFLAG}"
+ LDFLAGS="$LDFLAGS ${PICFLAG} -shared"
;;
esac
- AC_MSG_CHECKING([for -fPIC -shared])
+ AC_MSG_CHECKING([for ${PICFLAG} -shared])
AC_TRY_LINK(
- [extern int X;],[return X == 0;],
+ [${UNDEFINEDPREAMBLE}],[${UNDEFINEDCODE}],
[AC_MSG_RESULT([yes]); have_pic_shared=yes],
[AC_MSG_RESULT([no]); have_pic_shared=no])
if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
--- a/gcc/configure
+++ b/gcc/configure
@@ -30610,6 +30610,9 @@
pluginlibs=
plugin_check=yes
+ PICFLAG="-fPIC"
+ UNDEFINEDPREAMBLE="extern int X;"
+ UNDEFINEDCODE="return X == 0;"
case "${host}" in
*-*-mingw*)
# Since plugin support under MinGW is not as straightforward as on
@@ -30632,6 +30635,11 @@
export_sym_check=
fi
;;
+ *-*-mingw*|*-*-cygwin*|*-*-msys*)
+ PICFLAG=""
+ UNDEFINEDPREAMBLE=""
+ UNDEFINEDCODE=""
+ ;;
*)
if test x$build = x$host; then
export_sym_check="objdump${exeext} -T"
@@ -30744,23 +30752,23 @@
case "${host}" in
*-*-darwin*)
CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
- CFLAGS="$CFLAGS -fPIC"
+ CFLAGS="$CFLAGS ${PICFLAG}"
LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
;;
*)
- CFLAGS="$CFLAGS -fPIC"
- LDFLAGS="$LDFLAGS -fPIC -shared"
+ CFLAGS="$CFLAGS ${PICFLAG}"
+ LDFLAGS="$LDFLAGS ${PICFLAG} -shared"
;;
esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fPIC -shared" >&5
-$as_echo_n "checking for -fPIC -shared... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${PICFLAG} -shared" >&5
+$as_echo_n "checking for ${PICFLAG} -shared... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-extern int X;
+${UNDEFINEDPREAMBLE}
int
main ()
{
-return X == 0;
+${UNDEFINEDCODE}
;
return 0;
}
--- a/libcc1/configure
+++ b/libcc1/configure
@@ -14812,6 +14812,9 @@
pluginlibs=
plugin_check=yes
+ PICFLAG="-fPIC"
+ UNDEFINEDPREAMBLE="extern int X;"
+ UNDEFINEDCODE="return X == 0;"
case "${host}" in
*-*-mingw*)
# Since plugin support under MinGW is not as straightforward as on
@@ -14834,6 +14837,11 @@
export_sym_check=
fi
;;
+ *-*-mingw*|*-*-cygwin*|*-*-msys*)
+ PICFLAG=""
+ UNDEFINEDPREAMBLE=""
+ UNDEFINEDCODE=""
+ ;;
*)
if test x$build = x$host; then
export_sym_check="objdump${exeext} -T"
@@ -14946,23 +14954,23 @@
case "${host}" in
*-*-darwin*)
CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
- CFLAGS="$CFLAGS -fPIC"
+ CFLAGS="$CFLAGS ${PICFLAG}"
LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
;;
*)
- CFLAGS="$CFLAGS -fPIC"
- LDFLAGS="$LDFLAGS -fPIC -shared"
+ CFLAGS="$CFLAGS ${PICFLAG}"
+ LDFLAGS="$LDFLAGS ${PICFLAG} -shared"
;;
esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fPIC -shared" >&5
-$as_echo_n "checking for -fPIC -shared... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${PICFLAG} -shared" >&5
+$as_echo_n "checking for ${PICFLAG} -shared... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-extern int X;
+${UNDEFINEDPREAMBLE}
int
main ()
{
-return X == 0;
+${UNDEFINEDCODE}
;
return 0;
}