mmap: Avoid the sanitizer configure check failure

When -fsanitize=address,undefined is used to build, the mmap configure
check failed with

=================================================================
==231796==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x7cdd3d0defdf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
    #1 0x5750c7f6d72b in main /home/alan/build/gas-san/all/bfd/conftest.c:239

Direct leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x7cdd3d0defdf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
    #1 0x5750c7f6d2e1 in main /home/alan/build/gas-san/all/bfd/conftest.c:190

SUMMARY: AddressSanitizer: 8192 byte(s) leaked in 2 allocation(s).

Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP to avoid the sanitizer
configure check failure.

bfd/

	* configure.ac: Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP.
	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.

binutils/

	* configure.ac: Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP.
	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.

ld/

	* configure.ac: Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP.
	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.

libctf/

	* configure.ac: Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP.
	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.

libsframe/

	* configure.ac: Replace AC_FUNC_MMAP with GCC_AC_FUNC_MMAP.
	* Makefile.in: Regenerated.
	* aclocal.m4: Likewise.
	* configure: Likewise.

4 files changed, 8 insertions, 1 deletions

diff --git a/libsframe/Makefile.in b/libsframe/Makefile.in
index 9e3d268..111d6a3 100644
--- a/libsframe/Makefile.in
+++ b/libsframe/Makefile.in
@@ -126,6 +126,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../bfd/acinclude.m4 \
 	$(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../config/jobserver.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
+	$(top_srcdir)/../config/mmap.m4 \
 	$(top_srcdir)/../config/override.m4 \
 	$(top_srcdir)/../config/warnings.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libsframe/aclocal.m4 b/libsframe/aclocal.m4
index b0cdd6b..8804d9f 100644
--- a/libsframe/aclocal.m4
+++ b/libsframe/aclocal.m4
@@ -1233,6 +1233,7 @@ m4_include([../config/dejagnu.m4])
 m4_include([../config/depstand.m4])
 m4_include([../config/jobserver.m4])
 m4_include([../config/lead-dot.m4])
+m4_include([../config/mmap.m4])
 m4_include([../config/override.m4])
 m4_include([../config/warnings.m4])
 m4_include([../libtool.m4])
diff --git a/libsframe/configure b/libsframe/configure
index 1d9e5e1..8a9018c 100755
--- a/libsframe/configure
+++ b/libsframe/configure
@@ -12520,6 +12520,9 @@ done
 
 
 
+save_ASAN_OPTIONS="$ASAN_OPTIONS"
+  ASAN_OPTIONS=detect_leaks=0
+  export ASAN_OPTIONS
 
 for ac_func in getpagesize
 do :
@@ -12698,6 +12701,8 @@ $as_echo "#define HAVE_MMAP 1" >>confdefs.h
 fi
 rm -f conftest.mmap conftest.txt
 
+  ASAN_OPTIONS="$save_ASAN_OPTIONS"
+
 for ac_header in byteswap.h endian.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
diff --git a/libsframe/configure.ac b/libsframe/configure.ac
index 733517a..d63f270 100644
--- a/libsframe/configure.ac
+++ b/libsframe/configure.ac
@@ -112,7 +112,7 @@ AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 AM_MAINTAINER_MODE
 AM_INSTALL_LIBBFD
 
-AC_FUNC_MMAP
+GCC_AC_FUNC_MMAP
 AC_CHECK_HEADERS(byteswap.h endian.h)
 
 dnl Check for bswap_{16,32,64}