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[patches] [2.3] Backport configure patch

To: patches@xxxxxxxxxx
Subject: [patches] [2.3] Backport configure patch
From: "Joseph S. Myers" <joseph@xxxxxxxxxxxxxxxx>
Date: Tue, 6 Mar 2007 20:34:18 +0000 (UTC)
I've applied this patch backport to EGLIBC 2.3 branch.

Index: ChangeLog.eglibc
===================================================================
--- ChangeLog.eglibc	(revision 1649)
+++ ChangeLog.eglibc	(working copy)
@@ -1,3 +1,11 @@
+2007-03-06  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
+
+	Backport from mainline.
+	2005-09-05  Alexandre Oliva  <aoliva@xxxxxxxxxx>
+
+	* configure.in: Compile source test file with -fPIC for -shared.
+	* configure: Regenerate.
+
 2007-03-05  Joseph Myers  <joseph@xxxxxxxxxxxxxxxx>
 
 	Backport from mainline.
Index: configure.in
===================================================================
--- configure.in	(revision 1649)
+++ configure.in	(working copy)
@@ -1234,7 +1234,7 @@
 		 libc_cv_have_sdata_section,
 		 [echo "int i;" > conftest.c
 		  libc_cv_have_sdata_section=no
-		  if ${CC-cc} $LDFLAGS -shared -Wl,--verbose conftest.c -o conftest.so 2>&1 \
+		  if ${CC-cc} $LDFLAGS -fPIC -shared -Wl,--verbose conftest.c -o conftest.so 2>&1 \
 		     | grep '\.sdata' >/dev/null; then
 		    libc_cv_have_sdata_section=yes
 		  fi
@@ -1293,7 +1293,7 @@
 int _start (void) { return 42; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-		     -shared -o conftest.so conftest.c
+		     -fPIC -shared -o conftest.so conftest.c
 		     -nostartfiles -nostdlib
 		     -Wl,--enable-new-dtags,-z,nodelete 1>&AS_MESSAGE_LOG_FD])
   then
@@ -1310,7 +1310,7 @@
 int _start (void) { return 42; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
 			-Wl,--enable-new-dtags,-z,nodlopen 1>&AS_MESSAGE_LOG_FD])
   then
@@ -1327,7 +1327,7 @@
 int _start (void) { return 42; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
 			-Wl,--enable-new-dtags,-z,initfirst 1>&AS_MESSAGE_LOG_FD])
   then
@@ -1359,7 +1359,7 @@
 int _start (void) { return 42; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -Wl,-Bgroup -nostdlib 1>&AS_MESSAGE_LOG_FD])
   then
     libc_cv_Bgroup=yes
@@ -1376,7 +1376,7 @@
 EOF
 changequote(,)dnl
   libc_cv_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
-			   -shared -shared-libgcc -o conftest.so \
+			   -fPIC -shared -shared-libgcc -o conftest.so \
 			   conftest.c -v 2>&1 >/dev/null \
 			   | sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
 changequote([,])dnl
@@ -1389,7 +1389,7 @@
 int main (void) { return 0; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -lgcc_s$libc_cv_libgcc_s_suffix -Wl,--as-needed
 			      -nostdlib 1>&AS_MESSAGE_LOG_FD])
   then
@@ -1430,7 +1430,7 @@
 int foo (void) { return bar (mumble); }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostdlib -nostartfiles
 			-Wl,-z,combreloc 1>&AS_MESSAGE_LOG_FD])
   then
@@ -1459,7 +1459,7 @@
 int _start (void) { return 42; }
 EOF
   if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -Wl,-z,execstack -nostdlib
 			      1>&AS_MESSAGE_LOG_FD])
   then
Index: configure
===================================================================
--- configure	(revision 1649)
+++ configure	(working copy)
@@ -5349,7 +5349,7 @@
 else
   echo "int i;" > conftest.c
 		  libc_cv_have_sdata_section=no
-		  if ${CC-cc} $LDFLAGS -shared -Wl,--verbose conftest.c -o conftest.so 2>&1 \
+		  if ${CC-cc} $LDFLAGS -fPIC -shared -Wl,--verbose conftest.c -o conftest.so 2>&1 \
 		     | grep '\.sdata' >/dev/null; then
 		    libc_cv_have_sdata_section=yes
 		  fi
@@ -5441,7 +5441,7 @@
 int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-		     -shared -o conftest.so conftest.c
+		     -fPIC -shared -o conftest.so conftest.c
 		     -nostartfiles -nostdlib
 		     -Wl,--enable-new-dtags,-z,nodelete 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
@@ -5469,7 +5469,7 @@
 int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
 			-Wl,--enable-new-dtags,-z,nodlopen 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
@@ -5497,7 +5497,7 @@
 int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
 			-Wl,--enable-new-dtags,-z,initfirst 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
@@ -5559,7 +5559,7 @@
 int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -Wl,-Bgroup -nostdlib 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -5586,7 +5586,7 @@
 int main (void) { return 0; }
 EOF
   libc_cv_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
-			   -shared -shared-libgcc -o conftest.so \
+			   -fPIC -shared -shared-libgcc -o conftest.so \
 			   conftest.c -v 2>&1 >/dev/null \
 			   | sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
   rm -f conftest*
@@ -5604,7 +5604,7 @@
 int main (void) { return 0; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -lgcc_s$libc_cv_libgcc_s_suffix -Wl,--as-needed
 			      -nostdlib 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
@@ -5672,7 +5672,7 @@
 int foo (void) { return bar (mumble); }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			-shared -o conftest.so conftest.c
+			-fPIC -shared -o conftest.so conftest.c
 			-nostdlib -nostartfiles
 			-Wl,-z,combreloc 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
@@ -5710,7 +5710,7 @@
 int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-			      -shared -o conftest.so conftest.c
+			      -fPIC -shared -o conftest.so conftest.c
 			      -Wl,-z,execstack -nostdlib
 			      1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5

-- 
Joseph S. Myers
joseph@xxxxxxxxxxxxxxxx
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