diff options
author | Alexey Neyman <stilor@att.net> | 2017-02-12 00:59:43 (GMT) |
---|---|---|
committer | Alexey Neyman <stilor@att.net> | 2017-02-12 00:59:43 (GMT) |
commit | 7b86176b771e988b6c282275927188a2e6fdf710 (patch) | |
tree | 0b107911447878113dd9329f3a5fa00e20945827 /patches/gcc/4.8.5 | |
parent | 39e77a3d34d24340fb9a4f10e0b493157c1df1ea (diff) |
Backport -fPIC patch for Cygwin
Original patch by: Ray Donnelly <mingw.android@gmail.com>
Signed-off-by: Alexey Neyman <stilor@att.net>
Diffstat (limited to 'patches/gcc/4.8.5')
-rw-r--r-- | patches/gcc/4.8.5/370-gcc-plugin-Win-Dont-need-undefined-extern-var-refs-nor-fpic.patch | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/patches/gcc/4.8.5/370-gcc-plugin-Win-Dont-need-undefined-extern-var-refs-nor-fpic.patch b/patches/gcc/4.8.5/370-gcc-plugin-Win-Dont-need-undefined-extern-var-refs-nor-fpic.patch new file mode 100644 index 0000000..3cf66b2 --- /dev/null +++ b/patches/gcc/4.8.5/370-gcc-plugin-Win-Dont-need-undefined-extern-var-refs-nor-fpic.patch @@ -0,0 +1,104 @@ +diff -urpN '--exclude=autom4te.cache' gcc-4.8.5.orig/gcc/configure gcc-4.8.5/gcc/configure +--- gcc-4.8.5.orig/gcc/configure 2014-12-08 03:29:43.000000000 -0800 ++++ gcc-4.8.5/gcc/configure 2017-02-11 16:57:27.424807994 -0800 +@@ -27364,6 +27364,9 @@ fi + + + pluginlibs= ++PICFLAG="-fPIC" ++UNDEFINEDPREAMBLE="extern int X;" ++UNDEFINEDCODE="return X == 0;" + + case "${host}" in + *-*-darwin*) +@@ -27375,6 +27378,11 @@ case "${host}" in + export_sym_check= + fi + ;; ++ *-*-mingw*|*-*-cygwin*|*-*-msys*) ++ PICFLAG="" ++ UNDEFINEDPREAMBLE="" ++ UNDEFINEDCODE="" ++ ;; + *) + if test x$build = x$host; then + export_sym_check="objdump${exeext} -T" +@@ -27487,23 +27495,23 @@ fi + case "${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; + } +diff -urpN '--exclude=autom4te.cache' gcc-4.8.5.orig/gcc/configure.ac gcc-4.8.5/gcc/configure.ac +--- gcc-4.8.5.orig/gcc/configure.ac 2014-12-08 03:29:43.000000000 -0800 ++++ gcc-4.8.5/gcc/configure.ac 2017-02-11 16:57:27.424807994 -0800 +@@ -5243,6 +5243,9 @@ enable_plugin=$enableval, + enable_plugin=yes; default_plugin=yes) + + pluginlibs= ++PICFLAG="-fPIC" ++UNDEFINEDPREAMBLE="extern int X;" ++UNDEFINEDCODE="return X == 0;" + + case "${host}" in + *-*-darwin*) +@@ -5254,6 +5257,11 @@ case "${host}" in + export_sym_check= + fi + ;; ++ *-*-mingw*|*-*-cygwin*|*-*-msys*) ++ PICFLAG="" ++ UNDEFINEDPREAMBLE="" ++ UNDEFINEDCODE="" ++ ;; + *) + if test x$build = x$host; then + export_sym_check="objdump${exeext} -T" +@@ -5305,17 +5313,17 @@ if test x"$enable_plugin" = x"yes"; then + case "${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 |