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, 2 deletions

diff --git a/ld/Makefile.in b/ld/Makefile.in
index abb0565..8350f00 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -126,7 +126,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../bfd/acinclude.m4 \
 	$(top_srcdir)/../config/lib-ld.m4 \
 	$(top_srcdir)/../config/lib-link.m4 \
 	$(top_srcdir)/../config/lib-prefix.m4 \
-	$(top_srcdir)/../config/nls.m4 \
+	$(top_srcdir)/../config/mmap.m4 $(top_srcdir)/../config/nls.m4 \
 	$(top_srcdir)/../config/override.m4 \
 	$(top_srcdir)/../config/pkg.m4 \
 	$(top_srcdir)/../config/plugins.m4 \
diff --git a/ld/aclocal.m4 b/ld/aclocal.m4
index d9feb98..01c2dc2 100644
--- a/ld/aclocal.m4
+++ b/ld/aclocal.m4
@@ -1202,6 +1202,7 @@ m4_include([../config/lead-dot.m4])
 m4_include([../config/lib-ld.m4])
 m4_include([../config/lib-link.m4])
 m4_include([../config/lib-prefix.m4])
+m4_include([../config/mmap.m4])
 m4_include([../config/nls.m4])
 m4_include([../config/override.m4])
 m4_include([../config/pkg.m4])
diff --git a/ld/configure b/ld/configure
index 96ef1f8..ba00246 100755
--- a/ld/configure
+++ b/ld/configure
@@ -18802,6 +18802,9 @@ done
 
 
 
+save_ASAN_OPTIONS="$ASAN_OPTIONS"
+  ASAN_OPTIONS=detect_leaks=0
+  export ASAN_OPTIONS
 
 for ac_func in getpagesize
 do :
@@ -18980,6 +18983,8 @@ $as_echo "#define HAVE_MMAP 1" >>confdefs.h
 fi
 rm -f conftest.mmap conftest.txt
 
+  ASAN_OPTIONS="$save_ASAN_OPTIONS"
+
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
 $as_echo_n "checking for library containing dlopen... " >&6; }
diff --git a/ld/configure.ac b/ld/configure.ac
index 4a11787..0d4aa4c 100644
--- a/ld/configure.ac
+++ b/ld/configure.ac
@@ -401,7 +401,7 @@ BFD_BINARY_FOPEN
 
 AC_CHECK_DECLS([asprintf, environ, stpcpy])
 
-AC_FUNC_MMAP
+GCC_AC_FUNC_MMAP
 
 AC_SEARCH_LIBS([dlopen], [dl])