re PR libstdc++/31621 (libstdc++ uses -xc++ which can cause exceptions to show up...

2007-05-21  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/31621
	* acinclude.m4 ([GLIBCXX_CHECK_LINKER_FEATURES]): Use the C compiler.
	* configure: Regenerate.

From-SVN: r124896

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 83ee0bfc7b3a656c4c81bb82869a249cca3ee373..322e2b528f6fa09b87b8c2329774bf29ac46b5d6 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2007-05-21  Paolo Carlini  <pcarlini@suse.de>
+
+       PR libstdc++/31621
+       * acinclude.m4 ([GLIBCXX_CHECK_LINKER_FEATURES]): Use the C compiler.
+       * configure: Regenerate.
+
 2007-05-20  Paolo Carlini  <pcarlini@suse.de>
 
        * include/bits/stl_algo.h: Shuffle the functions to better match the

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 8198041203df52f031d90bd07660b30c13ecc21d..ddc26c8a1292a4f21a35433304e0849a94e96b9a 100644 (file)
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -251,11 +251,9 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])

diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index a9f61693c45ec15072a651246b5e93184b86aa61..4cb9d3904138f5d63bf1afd61443abae52dcba6f 100755 (executable)
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -8561,11 +8561,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -54678,11 +54676,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -55696,11 +55692,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -56682,11 +56676,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -78067,11 +78059,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -78914,11 +78904,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -79810,11 +79798,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -81098,11 +81084,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -81836,11 +81820,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
@@ -82339,11 +82321,9 @@ echo "${ECHO_T}$glibcxx_gnu_ld_version" >&6
     # NB: This flag only works reliably after 2.16.1. Configure tests
     # for this are difficult, so hard wire a value that should work.
 
-    # All these tests are for C++, but run with the "C" compiler driver.
-    # Need to do this so that g++ won't try to link in libstdc++/libsupc++.
     ac_test_CFLAGS="${CFLAGS+set}"
     ac_save_CFLAGS="$CFLAGS"
-    CFLAGS='-x c++ -Wl,--gc-sections'
+    CFLAGS='-Wl,--gc-sections'
 
     # Check for -Wl,--gc-sections
     echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5