mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-23 22:52:23 +00:00
108 lines
2.7 KiB
Diff
108 lines
2.7 KiB
Diff
---
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gcc/configure | 22 +++++++++++++++-------
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gcc/configure.ac | 18 +++++++++++++-----
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2 files changed, 28 insertions(+), 12 deletions(-)
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--- a/gcc/configure
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+++ b/gcc/configure
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@@ -28058,6 +28058,9 @@
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pluginlibs=
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+PICFLAG="-fPIC"
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+UNDEFINEDPREAMBLE="extern int X;"
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+UNDEFINEDCODE="return X == 0;"
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case "${host}" in
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*-*-darwin*)
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@@ -28069,6 +28072,11 @@
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export_sym_check=
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fi
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;;
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+ *-*-mingw*|*-*-cygwin*|*-*-msys*)
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+ PICFLAG=""
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+ UNDEFINEDPREAMBLE=""
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+ UNDEFINEDCODE=""
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+ ;;
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*)
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if test x$build = x$host; then
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export_sym_check="objdump${exeext} -T"
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@@ -28181,23 +28189,23 @@
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case "${host}" in
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*-*-darwin*)
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CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
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- CFLAGS="$CFLAGS -fPIC"
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+ CFLAGS="$CFLAGS ${PICFLAG}"
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LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
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;;
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*)
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- CFLAGS="$CFLAGS -fPIC"
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- LDFLAGS="$LDFLAGS -fPIC -shared"
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+ CFLAGS="$CFLAGS ${PICFLAG}"
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+ LDFLAGS="$LDFLAGS ${PICFLAG} -shared"
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;;
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esac
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- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fPIC -shared" >&5
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-$as_echo_n "checking for -fPIC -shared... " >&6; }
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${PICFLAG} -shared" >&5
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+$as_echo_n "checking for ${PICFLAG} -shared... " >&6; }
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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-extern int X;
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+${UNDEFINEDPREAMBLE}
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int
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main ()
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{
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-return X == 0;
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+${UNDEFINEDCODE}
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;
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return 0;
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}
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--- a/gcc/configure.ac
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+++ b/gcc/configure.ac
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@@ -5583,6 +5583,9 @@
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enable_plugin=yes; default_plugin=yes)
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pluginlibs=
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+PICFLAG="-fPIC"
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+UNDEFINEDPREAMBLE="extern int X;"
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+UNDEFINEDCODE="return X == 0;"
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case "${host}" in
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*-*-darwin*)
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@@ -5594,6 +5597,11 @@
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export_sym_check=
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fi
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;;
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+ *-*-mingw*|*-*-cygwin*|*-*-msys*)
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+ PICFLAG=""
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+ UNDEFINEDPREAMBLE=""
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+ UNDEFINEDCODE=""
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+ ;;
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*)
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if test x$build = x$host; then
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export_sym_check="objdump${exeext} -T"
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@@ -5645,17 +5653,17 @@
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case "${host}" in
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*-*-darwin*)
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CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
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- CFLAGS="$CFLAGS -fPIC"
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+ CFLAGS="$CFLAGS ${PICFLAG}"
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LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
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;;
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*)
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- CFLAGS="$CFLAGS -fPIC"
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- LDFLAGS="$LDFLAGS -fPIC -shared"
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+ CFLAGS="$CFLAGS ${PICFLAG}"
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+ LDFLAGS="$LDFLAGS ${PICFLAG} -shared"
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;;
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esac
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- AC_MSG_CHECKING([for -fPIC -shared])
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+ AC_MSG_CHECKING([for ${PICFLAG} -shared])
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AC_TRY_LINK(
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- [extern int X;],[return X == 0;],
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+ [${UNDEFINEDPREAMBLE}],[${UNDEFINEDCODE}],
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[AC_MSG_RESULT([yes]); have_pic_shared=yes],
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[AC_MSG_RESULT([no]); have_pic_shared=no])
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if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
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