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path: root/main/gcc/01_all_gcc48_configure.patch
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2013-04-01  Magnus Granberg <zorry@gentoo.org>

	* configure.ac		Add --enable-esp.  Add -fno-stack-protector
	to stage1_cflags.
	* configure		Regenerated
	* gcc/configure.ac		Add --enable-esp and define ENABLE_ESP.
	Check if we support crtbeginP and define ENABLE_CRTBEGINP.
	* gcc/configure	Regenerated

--- a/configure.ac	2011-11-29 22:36:43.000000000 +0100
+++ b/configure.ac	2011-12-07 23:29:26.125712475 +0100
@@ -419,6 +419,26 @@ if test "${ENABLE_LIBADA}" != "yes" ; th
   noconfigdirs="$noconfigdirs gnattools"
 fi
 
+# Check whether --enable-esp was given and target have the support.
+AC_ARG_ENABLE([esp],
+[AS_HELP_STRING([--enable-esp],
+               [Enable Stack protector and Position independent executable as
+                default if we have suppot for it when compiling
+                and link with -z relro and -z now as default.
+                Linux targets supported i*86, x86_64, x32,
+                powerpc, powerpc64, ia64, arm and mips.])],
+[
+  case $target in
+    i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips-*-linux* | arm*-*-linux* | ia64-*-linux*)
+      enable_esp=yes
+      ;;
+    *)
+      AC_MSG_WARN([*** --enable-esp is not supported on this $target target.])
+      ;;
+  esac
+])
+AC_SUBST([enable_esp])
+
 AC_ARG_ENABLE(libssp,
 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
 ENABLE_LIBSSP=$enableval,
@@ -3211,6 +3230,11 @@ if test "$GCC" = yes -a "$ENABLE_BUILD_W
   CFLAGS="$saved_CFLAGS"
 fi
 
+# Disable -fstack-protector on stage1
+if test x$enable_esp = xyes; then
+  stage1_cflags="$stage1_cflags -fno-stack-protector"
+fi
+
 AC_SUBST(stage1_cflags)
 
 # Enable --enable-checking in stage1 of the compiler.
--- a/gcc/configure.ac	2011-11-18 11:52:32.000000000 +0100
+++ b/gcc/configure.ac	2012-10-02 17:39:15.649526241 +0200
@@ -5130,6 +5237,55 @@ if test x"${LINKER_HASH_STYLE}" != x; th
                                          [The linker hash style])
 fi
 
+# --------------
+# Esp checks
+# --------------
+
+# Check whether --enable-esp was given and target have the support.
+AC_ARG_ENABLE([esp],
+[AS_HELP_STRING([--enable-esp],
+               [Enable Stack protector and Position independent executable as
+                default if we have suppot for it when compiling
+                and link with -z now as default.
+                Linux targets supported i*86, x86_64, x32,
+                powerpc, powerpc64, ia64, arm and mips.])],
+  enable_esp=$enableval,
+  enable_esp=no)
+if test $enable_esp = yes ; then
+  AC_MSG_CHECKING(if $target support esp)
+  case "$target" in
+    i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips-*-linux* | arm*-*-linux* | ia64-*-linux*)
+      enable_esp=yes
+      AC_DEFINE(ENABLE_ESP, 1,
+        [Define if your target support esp and you have enable it.])
+      ;;
+    *)
+      enable_esp=no
+      ;;
+  esac
+AC_MSG_RESULT($enable_esp)
+fi
+AC_SUBST([enable_esp])
+if test $enable_esp = yes ; then
+  AC_MSG_CHECKING(checking for crtbeginP.o support)
+    if test x$enable_esp = xyes ; then
+      case "$target" in
+        ia64*-*-linux*)
+          enable_crtbeginP=no ;;
+        *-*-linux*)
+          if test x$gcc_cv_ld_pie = xyes && test x$lt_cv_prog_compiler_static_works = xyes; then
+            enable_crtbeginP=yes
+            AC_DEFINE(ENABLE_CRTBEGINP, 1,
+              [Define if your compiler will support crtbeginP.])
+          fi
+          ;;
+        *) enable_crtbeginP=no ;;
+      esac
+    fi
+  AC_MSG_RESULT($enable_crtbeginP)
+fi
+AC_SUBST([enable_crtbeginP])
+
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)
 
--- a/configure	2013-02-05 23:36:20.000000000 +0100
+++ b/configure	2013-02-12 01:59:04.000000000 +0100
@@ -670,6 +670,7 @@
 CFLAGS
 CC
 EXTRA_CONFIGARGS_LIBJAVA
+enable_esp
 target_subdir
 host_subdir
 build_subdir
@@ -748,6 +749,7 @@
 enable_libquadmath
 enable_libquadmath_support
 enable_libada
+enable_esp
 enable_libssp
 enable_libstdcxx
 enable_static_libjava
@@ -1464,6 +1466,11 @@
   --disable-libquadmath-support
                           disable libquadmath support for Fortran
   --enable-libada         build libada directory
+  --enable-esp            Enable Stack protector and Position independent
+                          executable as default if we have suppot for it when
+                          compiling and link with and -z now as default.
+                          Linux targets supported i*86, x86_64, x32,
+                          powerpc, powerpc64, ia64, arm and mips.
   --enable-libssp         build libssp directory
   --disable-libstdcxx     do not build libstdc++-v3 directory
   --enable-static-libjava[=ARG]
@@ -3068,6 +3075,24 @@
   noconfigdirs="$noconfigdirs gnattools"
 fi
 
+# Check whether --enable-esp was given and target have the support.
+# Check whether --enable-esp was given.
+if test "${enable_esp+set}" = set; then :
+  enableval=$enable_esp;
+  case $target in
+    i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips*-*-linux* | arm*-*-linux* | ia64-*-linux*)
+      enable_esp=yes
+      ;;
+    *)
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** --enable-esp is not supported on this $target target." >&5
+$as_echo "$as_me: WARNING: *** --enable-esp is not supported on this $target target." >&2;}
+      ;;
+  esac
+
+fi
+
+
+
 # Check whether --enable-libssp was given.
 if test "${enable_libssp+set}" = set; then :
   enableval=$enable_libssp; ENABLE_LIBSSP=$enableval
@@ -14453,6 +14478,11 @@
     esac ;;
 esac
 
+# Disable -fstack-protector on stage1
+if test x$enable_esp = xyes; then
+  stage1_cflags="$stage1_cflags -fno-stack-protector"
+fi
+
 
 
 # Enable --enable-checking in stage1 of the compiler.
--- a/gcc/configure	2013-02-01 21:26:24.000000000 +0100
+++ b/gcc/configure	2013-02-12 01:59:20.000000000 +0100
@@ -600,6 +600,8 @@
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+enable_crtbeginP
+enable_esp
 enable_plugin
 pluginlibs
 CLOOGINC
@@ -920,6 +922,7 @@
 enable_plugin
 enable_libquadmath_support
 with_linker_hash_style
+enable_esp
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1633,6 +1636,11 @@
   --enable-plugin         enable plugin support
   --disable-libquadmath-support
                           disable libquadmath support for Fortran
+  --enable-esp            Enable Stack protector and Position independent
+                          executable as default if we have suppot for it when
+                          compiling and link with -z now as default.
+                          Linux targets supported i*86, x86_64, x32,
+                          powerpc, powerpc64, ia64, arm and mips.
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -27419,6 +27427,59 @@
 
 fi
 
+# --------------
+# Esp checks
+# --------------
+
+# Check whether --enable-esp was given and target have the support.
+# Check whether --enable-esp was given.
+if test "${enable_esp+set}" = set; then :
+  enableval=$enable_esp; enable_esp=$enableval
+else
+  enable_esp=no
+fi
+
+if test $enable_esp = yes ; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $target support esp" >&5
+$as_echo_n "checking if $target support esp... " >&6; }
+  case "$target" in
+    i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips*-*-linux* | arm*-*-linux* | ia64-*-linux*)
+      enable_esp=yes
+
+$as_echo "#define ENABLE_ESP 1" >>confdefs.h
+
+      ;;
+    *)
+      enable_esp=no
+      ;;
+  esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_esp" >&5
+$as_echo "$enable_esp" >&6; }
+fi
+
+if test $enable_esp = yes ; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking checking for crtbeginP.o support" >&5
+$as_echo_n "checking checking for crtbeginP.o support... " >&6; }
+    if test x$enable_esp = xyes ; then
+      case "$target" in
+        ia64*-*-linux*)
+          enable_crtbeginP=no ;;
+        *-*-linux*)
+          if test x$gcc_cv_ld_pie = xyes && test x$lt_cv_prog_compiler_static_works = xyes; then
+            enable_crtbeginP=yes
+
+$as_echo "#define ENABLE_CRTBEGINP 1" >>confdefs.h
+
+          fi
+          ;;
+        *) enable_crtbeginP=no ;;
+      esac
+    fi
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_crtbeginP" >&5
+$as_echo "$enable_crtbeginP" >&6; }
+fi
+
+
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)