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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)
|
