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authorCary Coutant <ccoutant@google.com>2010-07-03 20:52:24 +0000
committerCary Coutant <ccoutant@google.com>2010-07-03 20:52:24 +0000
commit0acf065b19253e02ea32188ea0cbdf4e80e3c42d (patch)
tree0d2d49261e7a67a1fe51bff909c8506dd46dfa04 /gas/configure
parent3a5530eaabb2592d7807687d51a8a9c8c6b4b3cd (diff)
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bfd/ChangeLog:
* compress.c (bfd_uncompress_section_contents): Add ATTRIBUTE_UNUSED. * dwarf2.c (read_and_uncompress_section): New function. (read_section): Call it. (find_line): Likewise. binutils/ChangeLog: * objdump.c (load_specific_debug_section): Decompress section contents before applying relocations. * readelf.c (load_specific_debug_section): Update section size after decompression. gas/ChangeLog: * Makefile.am: Add compress-debug.c and compress-debug.h. * Makefile.in: Regenerate. * config.in: Add HAVE_ZLIB_H. * configure.in: Check for zlib.h. * configure: Regenerate. * as.c (parse_args): Add --compress-debug-sections and --nocompress-debug-sections. * as.h (flag_compress_debug): New variable. * compress-debug.c: New file. * compress-debug.h: New file. * write.c: Include compress-debug.h. (compress_frag): New function. (compress_debug): New function. (write_object_file): Compress debug sections if requested.
Diffstat (limited to 'gas/configure')
-rwxr-xr-xgas/configure92
1 files changed, 90 insertions, 2 deletions
diff --git a/gas/configure b/gas/configure
index b466d5f..530fa0d 100755
--- a/gas/configure
+++ b/gas/configure
@@ -766,6 +766,7 @@ enable_werror
enable_build_warnings
enable_nls
enable_maintainer_mode
+with_zlib
'
ac_precious_vars='build_alias
host_alias
@@ -1419,6 +1420,7 @@ Optional Packages:
--with-pic try to use only PIC/non-PIC objects [default=use
both]
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
+ --with-zlib include zlib support (auto/yes/no) default=auto
Some influential environment variables:
CC C compiler command
@@ -11193,7 +11195,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11196 "configure"
+#line 11198 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11299,7 +11301,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11302 "configure"
+#line 11304 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -13984,6 +13986,92 @@ $as_echo "#define USE_BINARY_FOPEN 1" >>confdefs.h
;;
esac
+# Link in zlib if we can. This allows us to write compressed debug sections.
+
+ # See if the user specified whether he wants zlib support or not.
+
+# Check whether --with-zlib was given.
+if test "${with_zlib+set}" = set; then :
+ withval=$with_zlib;
+else
+ with_zlib=auto
+fi
+
+
+ if test "$with_zlib" != "no"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zlibVersion" >&5
+$as_echo_n "checking for library containing zlibVersion... " >&6; }
+if test "${ac_cv_search_zlibVersion+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char zlibVersion ();
+int
+main ()
+{
+return zlibVersion ();
+ ;
+ return 0;
+}
+_ACEOF
+for ac_lib in '' z; do
+ if test -z "$ac_lib"; then
+ ac_res="none required"
+ else
+ ac_res=-l$ac_lib
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ fi
+ if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_search_zlibVersion=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext
+ if test "${ac_cv_search_zlibVersion+set}" = set; then :
+ break
+fi
+done
+if test "${ac_cv_search_zlibVersion+set}" = set; then :
+
+else
+ ac_cv_search_zlibVersion=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zlibVersion" >&5
+$as_echo "$ac_cv_search_zlibVersion" >&6; }
+ac_res=$ac_cv_search_zlibVersion
+if test "$ac_res" != no; then :
+ test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+ for ac_header in zlib.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_zlib_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_ZLIB_H 1
+_ACEOF
+
+fi
+
+done
+
+fi
+
+ if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then
+ as_fn_error "zlib (libz) library was explicitly requested but not found" "$LINENO" 5
+ fi
+ fi
+
+
# Support for VMS timestamps via cross compile
if test "$ac_cv_header_time_h" = yes; then