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author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2009-04-30 17:19:24 -0700 |
---|---|---|
committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2009-05-01 00:19:24 +0000 |
commit | cd5336897ef7e5c7ec137838308ccdcac458b8c3 (patch) | |
tree | bc6a0299750d5af207ceb8cfc2dd5ed3e2f0d9dc /gcc/configure | |
parent | 76547252330a60b9a97c1afa84effc701a0ec6db (diff) | |
download | gcc-cd5336897ef7e5c7ec137838308ccdcac458b8c3.zip gcc-cd5336897ef7e5c7ec137838308ccdcac458b8c3.tar.gz gcc-cd5336897ef7e5c7ec137838308ccdcac458b8c3.tar.bz2 |
configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
* configure.ac (HAVE_LD_BUILDID): New check for ld --build-id
support.
(ENABLE_LD_BUILDID): New configuration option.
* gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
(LINK_BUILDID_SPEC): New macro.
(init_spec): If defined, prepend it between LINK_EH_SPEC and
link_spec.
* doc/install.texi: Document --enable-linker-build-id option.
* configure: Rebuild.
* config.in: Rebuild.
Co-Authored-By: Roland McGrath <roland@redhat.com>
From-SVN: r147029
Diffstat (limited to 'gcc/configure')
-rwxr-xr-x | gcc/configure | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/gcc/configure b/gcc/configure index e96fcf5..fd03ec5 100755 --- a/gcc/configure +++ b/gcc/configure @@ -1078,6 +1078,8 @@ Optional Features: --enable-fast-install[=PKGS] optimize for fast installation [default=yes] --disable-libtool-lock avoid locking (might break parallel builds) + --enable-linker-build-id + compiler will always pass --build-id to linker --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer @@ -14383,13 +14385,13 @@ if test "${lt_cv_nm_interface+set}" = set; then else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext - (eval echo "\"\$as_me:14386: $ac_compile\"" >&5) + (eval echo "\"\$as_me:14388: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 - (eval echo "\"\$as_me:14389: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval echo "\"\$as_me:14391: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 - (eval echo "\"\$as_me:14392: output\"" >&5) + (eval echo "\"\$as_me:14394: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" @@ -15546,7 +15548,7 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 15549 "configure"' > conftest.$ac_ext + echo '#line 15551 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -16845,11 +16847,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:16848: $lt_compile\"" >&5) + (eval echo "\"\$as_me:16850: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:16852: \$? = $ac_status" >&5 + echo "$as_me:16854: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -17184,11 +17186,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17187: $lt_compile\"" >&5) + (eval echo "\"\$as_me:17189: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:17191: \$? = $ac_status" >&5 + echo "$as_me:17193: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -17289,11 +17291,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17292: $lt_compile\"" >&5) + (eval echo "\"\$as_me:17294: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:17296: \$? = $ac_status" >&5 + echo "$as_me:17298: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -17344,11 +17346,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:17347: $lt_compile\"" >&5) + (eval echo "\"\$as_me:17349: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:17351: \$? = $ac_status" >&5 + echo "$as_me:17353: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -20156,7 +20158,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 20159 "configure" +#line 20161 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -20252,7 +20254,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 20255 "configure" +#line 20257 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -24117,6 +24119,56 @@ _ACEOF ;; esac +echo "$as_me:$LINENO: checking linker --build-id support" >&5 +echo $ECHO_N "checking linker --build-id support... $ECHO_C" >&6 +if test "${gcc_cv_ld_buildid+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + gcc_cv_ld_buildid=no + if test $in_tree_ld = yes ; then + if test "$gcc_cv_gld_major_version" -eq 2 -a \ + "$gcc_cv_gld_minor_version" -ge 18 -o \ + "$gcc_cv_gld_major_version" -gt 2 \ + && test $in_tree_ld_is_elf = yes; then + gcc_cv_ld_buildid=yes + fi + elif test x$gcc_cv_ld != x; then + if $gcc_cv_ld --help 2>/dev/null | grep build-id > /dev/null; then + gcc_cv_ld_buildid=yes + fi + fi +fi +echo "$as_me:$LINENO: result: $gcc_cv_ld_buildid" >&5 +echo "${ECHO_T}$gcc_cv_ld_buildid" >&6 +if test x"$gcc_cv_ld_buildid" = xyes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_LD_BUILDID 1 +_ACEOF + +fi + +# Check whether --enable-linker-build-id or --disable-linker-build-id was given. +if test "${enable_linker_build_id+set}" = set; then + enableval="$enable_linker_build_id" + +else + enable_linker_build_id=no +fi; + +if test x"$enable_linker_build_id" = xyes; then + if test x"$gcc_cv_ld_buildid" = xyes; then + +cat >>confdefs.h <<\_ACEOF +#define ENABLE_LD_BUILDID 1 +_ACEOF + + else + { echo "$as_me:$LINENO: WARNING: --build-id is not supported by your linker; --enable-linker-build-id ignored" >&5 +echo "$as_me: WARNING: --build-id is not supported by your linker; --enable-linker-build-id ignored" >&2;} + fi +fi + echo "$as_me:$LINENO: checking linker --sysroot support" >&5 echo $ECHO_N "checking linker --sysroot support... $ECHO_C" >&6 if test "${gcc_cv_ld_sysroot+set}" = set; then |