Submitted By: Joe Ciccone <jciccone@gmail.com>
Date: 2006-11-09
Initial Package Version: 2.5
Origin: Joe Ciccone
Upstream Status: Unknown
Description: Checks to see if libgcc_eh has been provided by gcc. If it has
             the glibc will attempt to link to it.

             Rediffed for 2.7 by Jim Gifford
             Rediffed for 2.8 by Joe Ciccone
             Rediffed for 2.9 by Joe Ciccone

diff -Naur glibc-2.9.orig/config.make.in glibc-2.9/config.make.in
--- glibc-2.9.orig/config.make.in	2008-08-18 05:42:17.000000000 -0400
+++ glibc-2.9/config.make.in	2008-12-17 08:23:59.000000000 -0500
@@ -60,6 +60,7 @@
 have-libaudit = @have_libaudit@
 have-libcap = @have_libcap@
 have-cc-with-libunwind = @libc_cv_cc_with_libunwind@
+have-cc-with-libgcc_eh = @libc_cv_cc_with_libgcc_eh@
 fno-unit-at-a-time = @fno_unit_at_a_time@
 bind-now = @bindnow@
 have-hash-style = @libc_cv_hashstyle@
diff -Naur glibc-2.9.orig/configure.in glibc-2.9/configure.in
--- glibc-2.9.orig/configure.in	2008-11-27 19:05:05.000000000 -0500
+++ glibc-2.9/configure.in	2008-12-17 08:21:56.000000000 -0500
@@ -1394,6 +1394,23 @@
     AC_DEFINE(HAVE_CC_WITH_LIBUNWIND)
   fi
 
+  AC_CACHE_CHECK(whether to link against libgcc_eh,
+                 libc_cv_cc_with_libgcc_eh, [
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+    if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
+       conftest.c -v 2>&1 >/dev/null | grep -q " -lgcc_eh "; then
+      libc_cv_cc_with_libgcc_eh=yes
+    else
+      libc_cv_cc_with_libgcc_eh=no
+    fi
+    rm -f conftest*])
+  AC_SUBST(libc_cv_cc_with_libgcc_eh)
+  if test $libc_cv_cc_with_libgcc_eh = yes; then
+    AC_DEFINE(HAVE_CC_WITH_LIBGCC_EH)
+  fi
+
   AC_CACHE_CHECK(for -z nodelete option,
 		 libc_cv_z_nodelete, [dnl
   cat > conftest.c <<EOF
diff -Naur glibc-2.9.orig/configure glibc-2.9/configure
--- glibc-2.9.orig/configure	2008-11-27 19:05:36.000000000 -0500
+++ glibc-2.9/configure	2008-12-17 08:24:21.000000000 -0500
@@ -716,6 +716,7 @@
 BISON
 VERSIONING
 libc_cv_cc_with_libunwind
+libc_cv_cc_with_libgcc_eh
 libc_cv_Bgroup
 libc_cv_libgcc_s_suffix
 libc_cv_as_needed
@@ -6053,6 +6054,33 @@
 
   fi
 
+  { echo "$as_me:$LINENO: checking whether to link against libgcc_eh" >&5
+echo $ECHO_N "checking whether to link against libgcc_eh... $ECHO_C" >&6; }
+if test "${libc_cv_cc_with_libgcc_eh+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    cat > conftest.c <<EOF
+int main (void) { return 0; }
+EOF
+    if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
+       conftest.c -v 2>&1 >/dev/null | grep -q " -lgcc_eh "; then
+      libc_cv_cc_with_libgcc_eh=yes
+    else
+      libc_cv_cc_with_libgcc_eh=no
+    fi
+    rm -f conftest*
+fi
+{ echo "$as_me:$LINENO: result: $libc_cv_cc_with_libgcc_eh" >&5
+echo "${ECHO_T}$libc_cv_cc_with_libgcc_eh" >&6; }
+
+  if test $libc_cv_cc_with_libgcc_eh = yes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_CC_WITH_LIBGCC_EH 1
+_ACEOF
+
+  fi
+
   { echo "$as_me:$LINENO: checking for -z nodelete option" >&5
 echo $ECHO_N "checking for -z nodelete option... $ECHO_C" >&6; }
 if test "${libc_cv_z_nodelete+set}" = set; then
@@ -9282,6 +9310,7 @@
 BISON!$BISON$ac_delim
 VERSIONING!$VERSIONING$ac_delim
 libc_cv_cc_with_libunwind!$libc_cv_cc_with_libunwind$ac_delim
+libc_cv_cc_with_libgcc_eh!$libc_cv_cc_with_libgcc_eh$ac_delim
 libc_cv_Bgroup!$libc_cv_Bgroup$ac_delim
 libc_cv_libgcc_s_suffix!$libc_cv_libgcc_s_suffix$ac_delim
 libc_cv_as_needed!$libc_cv_as_needed$ac_delim
@@ -9335,7 +9364,7 @@
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 54; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 55; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff -Naur glibc-2.9.orig/Makeconfig glibc-2.9/Makeconfig
--- glibc-2.9.orig/Makeconfig	2008-08-18 05:42:17.000000000 -0400
+++ glibc-2.9/Makeconfig	2008-12-17 08:23:42.000000000 -0500
@@ -525,12 +525,20 @@
   libunwind = -lunwind
 endif
 ifneq ($(have-as-needed),yes)
- libgcc_eh := -lgcc_eh $(libunwind)
+ ifneq ($(have-cc-with-libgcc_eh),yes)
+  libgcc_eh := $(libunwind)
+ else
+  libgcc_eh := -lgcc_eh $(libunwind)
+ endif
 else
  libgcc_eh := -Wl,--as-needed -lgcc_s$(libgcc_s_suffix) $(libunwind) -Wl,--no-as-needed
 endif
 gnulib := -lgcc $(libgcc_eh)
-static-gnulib := -lgcc -lgcc_eh $(libunwind)
+ifneq ($(have-cc-with-libgcc_eh),yes)
+ static-gnulib := -lgcc $(libunwind)
+else
+ static-gnulib := -lgcc -lgcc_eh $(libunwind)
+endif
 libc.so-gnulib := -lgcc
 endif
 ifeq ($(elf),yes)