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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2010-05-28 18:50:29 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2010-05-28 18:50:29 +0000 |
| commit | e4c30a7b51181b7a61f62d0907e3df4c28e61733 (patch) | |
| tree | 9ebd5fc91c13b4fa531fc6f7636837ea54180813 /gdb/configure.ac | |
| parent | a614d2015993ccb4e660d80ab59dc8ac02aafea1 (diff) | |
| download | gdb-e4c30a7b51181b7a61f62d0907e3df4c28e61733.tar.gz | |
gdb/
* Makefile.in (RDYNAMIC): New.
(SFILES): Add proc-service.list.
* config/alpha/alpha-linux.mh (NAT_CDEPS): New.
(LOADLIBES): Replace -rdynamic by $(RDYNAMIC).
* config/arm/linux.mh: Likewise.
* config/i386/linux.mh: Likewise.
* config/i386/linux64.mh: Likewise.
* config/ia64/linux.mh: Likewise.
* config/m32r/linux.mh: Likewise.
* config/m68k/linux.mh: Likewise.
* config/mips/linux.mh: Likewise.
* config/pa/linux.mh: Likewise.
* config/powerpc/linux.mh: Likewise.
* config/powerpc/ppc64-linux.mh: Likewise.
* config/s390/s390.mh: Likewise.
* config/sparc/linux.mh: Likewise.
* config/sparc/linux64.mh: Likewise.
* config/xtensa/linux.mh: Likewise.
* configure.ac: New RDYNAMIC on native host and GCC.
(solaris*): Replace -Wl,-export-dynamic by $RDYNAMIC.
* configure: Regenerate.
* proc-service.list: New.
gdb/gdbserver/
* Makefile.in (SFILES): Add $(srcdir)/proc-service.list.
(CDEPS): New.
* configure.ac (RDYNAMIC): New AC_MSG_CHECKING wrapping. Test also
-Wl,--dynamic-list.
* configure: Regenerate.
* proc-service.list: New.
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index 70608afedbe..16789b9aefa 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -1450,6 +1450,30 @@ dnl Note that we only want this if we are both native (host == target), dnl and not doing a canadian cross build (build == host). if test ${build} = ${host} -a ${host} = ${target} ; then + if test "$GCC" = "yes" ; then + # The dynamically loaded libthread_db needs access to symbols in the gdb + # executable. Older GNU ld supports --export-dynamic but --dynamic-list + # may not be supported there. + AC_MSG_CHECKING(for the dynamic export flag) + old_LDFLAGS="$LDFLAGS" + # Older GNU ld supports --export-dynamic but --dynamic-list it does not. + RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list" + LDFLAGS="$LDFLAGS $RDYNAMIC" + AC_TRY_LINK([], [], + [found="-Wl,--dynamic-list" + RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'], + [RDYNAMIC="-rdynamic" + LDFLAGS="$old_LDFLAGS $RDYNAMIC" + AC_TRY_LINK([], [], + [found="-rdynamic"], + [found="no" + # Error on its usage by .mh file. + RDYNAMIC="no-rdynamic-available"])]) + AC_SUBST(RDYNAMIC) + LDFLAGS="$old_LDFLAGS" + AC_MSG_RESULT($found) + fi + case ${host_os} in hpux*) AC_MSG_CHECKING(for HPUX/OSF thread support) @@ -1480,19 +1504,7 @@ if test ${build} = ${host} -a ${host} = ${target} ; then CONFIG_OBS="${CONFIG_OBS} sol-thread.o" CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c" AC_CHECK_LIB(dl, dlopen) - if test "$GCC" = "yes" ; then - # The GNU linker requires the -export-dynamic option to make - # all symbols visible in the dynamic symbol table. - hold_ldflags=$LDFLAGS - AC_MSG_CHECKING(for the ld -export-dynamic flag) - LDFLAGS="${LDFLAGS} -Wl,-export-dynamic" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic" - fi - fi + CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC" # Sun randomly tweaked the prototypes in <proc_service.h> # at one point. AC_MSG_CHECKING(if <proc_service.h> is old) |