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-rwxr-xr-xgcc-4.9/gcc/configure18
1 files changed, 17 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/configure b/gcc-4.9/gcc/configure
index 746c37556..436278b81 100755
--- a/gcc-4.9/gcc/configure
+++ b/gcc-4.9/gcc/configure
@@ -932,6 +932,7 @@ with_system_zlib
enable_maintainer_mode
enable_link_mutex
enable_version_specific_runtime_libs
+enable_poison_system_directories
enable_canonical_prefixes
enable_plugin
enable_host_shared
@@ -1665,6 +1666,8 @@ Optional Features:
--enable-version-specific-runtime-libs
specify that runtime libraries should be installed
in a compiler-specific directory
+ --enable-poison-system-directories
+ warn for use of native system header directories
--enable-canonical-prefixes
enable or disable prefix canonicalization
--enable-plugin enable plugin support
@@ -27020,7 +27023,7 @@ if test $gcc_cv_ld_pie = yes ; then
# Check if linker supports -pie option with copy reloc
case "$target" in
*android*)
- ;;
+ ;;
i?86-*-linux* | x86_64-*-linux*)
cat > conftest1.s <<EOF
.globl a_glob
@@ -27945,6 +27948,19 @@ $as_echo "#define ENABLE_CANONICAL_PREFIXES 1" >>confdefs.h
fi
+# Check whether --enable-poison-system-directories was given.
+if test "${enable_poison_system_directories+set}" = set; then :
+ enableval=$enable_poison_system_directories;
+else
+ enable_poison_system_directories=no
+fi
+
+if test "x${enable_poison_system_directories}" = "xyes"; then
+
+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
+
+fi
+
# Substitute configuration variables