From: Dominik Vogt <vogt@linux.vnet.ibm.com>
To: libffi-discuss@sourceware.org
Subject: [PATCH 7/7] Merge of gcc patches
Date: Tue, 18 Nov 2014 10:21:00 -0000 [thread overview]
Message-ID: <20141118102051.GH26714@linux.vnet.ibm.com> (raw)
In-Reply-To: <20141118101743.GA26714@linux.vnet.ibm.com>
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Patch 7.
Ciao
Dominik ^_^ ^_^
--
Dominik Vogt
IBM Germany
[-- Attachment #2: 0007-ChangeLog --]
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ChangeLog
2014-10-15 Ian Lance Taylor <iant@google.com>
* configure.ac: If the compiler supports -Qunused-arguments, use
it when running the compiler on .s files.
* configure: Regenerated.
[-- Attachment #3: 0007-configure.ac-If-the-compiler-supports-Qunused-argume.patch --]
[-- Type: text/x-diff, Size: 2233 bytes --]
From dd32f429246bdfb929d5bebd1aa268d5eecd8de4 Mon Sep 17 00:00:00 2001
From: ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 15 Oct 2014 15:32:41 +0000
Subject: [PATCH 7/7] configure.ac: If the compiler supports
-Qunused-arguments,
use it when running the compiler on .s files.
---
configure.ac | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/configure.ac b/configure.ac
index afad32c..b662f39 100644
--- a/configure.ac
+++ b/configure.ac
@@ -367,6 +367,15 @@ AC_C_BIGENDIAN
GCC_AS_CFI_PSEUDO_OP
+AC_CACHE_CHECK([if compiler supports -Qunused-arguments],
+[libffi_cv_c_unused_arguments],
+[CFLAGS_hold=$CFLAGS
+CFLAGS="$CFLAGS -Qunused-arguments"
+AC_COMPILE_IFELSE([[int i;]],
+[libffi_cv_c_unused_arguments=yes],
+[libffi_cv_c_unused_arguments=no])
+CFLAGS=$CFLAGS_hold])
+
if test x$TARGET = xSPARC; then
AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
libffi_cv_as_sparc_ua_pcrel, [
@@ -403,9 +412,14 @@ if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64
libffi_cv_as_x86_pcrel, [
libffi_cv_as_x86_pcrel=no
echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
+ CFLAGS_hold=$CFLAGS
+ if test "$libffi_cv_c_unused_arguments" = yes; then
+ CFLAGS="$CFLAGS -Qunused-arguments"
+ fi
if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then
libffi_cv_as_x86_pcrel=yes
fi
+ CFLAGS=$CFLAGS_hold
])
if test "x$libffi_cv_as_x86_pcrel" = xyes; then
AC_DEFINE(HAVE_AS_X86_PCREL, 1,
@@ -489,10 +503,15 @@ EOF
libffi_cv_as_x86_64_unwind_section_type=no
# we ensure that we can compile _and_ link an assembly file containing an @unwind section
# since the compiler can support it and not the linker (ie old binutils)
+ CFLAGS_hold=$CFLAGS
+ if test "$libffi_cv_c_unused_arguments" = yes; then
+ CFLAGS="$CFLAGS -Qunused-arguments"
+ fi
if $CC -Wa,--fatal-warnings $CFLAGS -c conftest1.s > /dev/null 2>&1 && \
$CC conftest2.c conftest1.o > /dev/null 2>&1 ; then
libffi_cv_as_x86_64_unwind_section_type=yes
fi
+ CFLAGS=$CFLAGS_hold
])
if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then
AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1,
--
1.8.4.2
next prev parent reply other threads:[~2014-11-18 10:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 10:17 [PATCH 0/7] " Dominik Vogt
2014-11-18 10:18 ` [PATCH 2/7] " Dominik Vogt
2014-11-18 10:34 ` Richard Henderson
2014-11-18 10:18 ` [PATCH 1/7] " Dominik Vogt
2014-11-18 10:33 ` Richard Henderson
2014-11-18 13:13 ` Richard Henderson
2014-11-18 10:19 ` [PATCH 3/7] " Dominik Vogt
2014-11-18 10:40 ` Richard Henderson
2014-11-18 10:19 ` [PATCH 4/7] " Dominik Vogt
2014-11-18 10:41 ` Richard Henderson
2014-11-18 10:20 ` [PATCH 5/7] " Dominik Vogt
2014-11-18 10:42 ` Richard Henderson
2014-11-18 10:20 ` [PATCH 6/7] " Dominik Vogt
2014-11-18 10:36 ` Richard Henderson
2014-11-18 11:06 ` Dominik Vogt
2014-11-18 11:34 ` Richard Henderson
2014-11-18 11:57 ` Dominik Vogt
2014-11-18 10:21 ` Dominik Vogt [this message]
2014-11-18 10:37 ` [PATCH 7/7] " Richard Henderson
2014-11-18 10:32 ` [PATCH 0/7] " Richard Henderson
2014-11-18 10:47 ` Richard Henderson
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