diff options
Diffstat (limited to 'contrib/gcc/configure.in')
| -rw-r--r-- | contrib/gcc/configure.in | 68 |
1 files changed, 37 insertions, 31 deletions
diff --git a/contrib/gcc/configure.in b/contrib/gcc/configure.in index 07a9b93..0f64d07 100644 --- a/contrib/gcc/configure.in +++ b/contrib/gcc/configure.in @@ -797,6 +797,25 @@ objext='.o' AC_SUBST(manext) AC_SUBST(objext) +# With Setjmp/Longjmp based exception handling. +AC_ARG_ENABLE(sjlj-exceptions, +[ --enable-sjlj-exceptions + arrange to use setjmp/longjmp exception handling], +[sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` +AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, + [Define 0/1 to force the choice for exception handling model.])]) + +AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) +# Use libunwind based exception handling. +AC_ARG_ENABLE(libunwind-exceptions, +[ --enable-libunwind-exceptions force use libunwind for exceptions], +use_libunwind_exceptions=$enableval, +use_libunwind_exceptions=$use_libunwind_default) +if test x"$use_libunwind_exceptions" = xyes; then + AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, + [Define if gcc should use -lunwind.]) +fi + target_gtfiles= build_xm_file= build_xm_defines= @@ -1641,6 +1660,9 @@ changequote(,)dnl fi fi changequote([,])dnl + else + # non-GNU linkers don't seem to support .hidden yet + gcc_cv_as_hidden=no fi fi if test x"$gcc_cv_as_hidden" = xyes; then @@ -1649,19 +1671,6 @@ if test x"$gcc_cv_as_hidden" = xyes; then fi AC_MSG_RESULT($gcc_cv_as_hidden) libgcc_visibility=$gcc_cv_as_hidden -case "$target" in - mips-sgi-irix6*) - if test x"$gnu_ld_flag" = x"no"; then - # Even if using gas with .hidden support, the resulting object files - # cannot be linked with the IRIX 6 O32 linker. With the N32 and - # N64 linkers, the problem is that the linker refuses to accept - # -call_shared (passed by default to the linker) and -r (used to - # link the object file generated without .hidden directives with - # one that hides symbols), so we also lose. - libgcc_visibility=no - fi - ;; -esac AC_SUBST(libgcc_visibility) AC_MSG_CHECKING(assembler leb128 support) @@ -2131,6 +2140,21 @@ changequote([,])dnl fi AC_MSG_RESULT($gcc_cv_as_instructions) + AC_MSG_CHECKING(cmov syntax) + gcc_cv_as_ix86_cmov_sun_syntax=no + if test x$gcc_cv_as != x; then + echo 'cmovl.l %edx, %eax' > conftest.s + if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then + gcc_cv_as_ix86_cmov_sun_syntax=yes + fi + rm -f conftest.s conftest.o + fi + if test "x$gcc_cv_as_ix86_cmov_sun_syntax" = xyes; then + AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, + [Define if your assembler supports the Sun syntax for cmov.]) + fi + AC_MSG_RESULT($gcc_cv_as_ix86_cmov_sun_syntax) + AC_MSG_CHECKING(assembler GOTOFF in data directives) gcc_cv_as_gotoff_in_data=no if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x @@ -2581,24 +2605,6 @@ else fi AC_SUBST(MAINT)dnl -# With Setjmp/Longjmp based exception handling. -AC_ARG_ENABLE(sjlj-exceptions, -[ --enable-sjlj-exceptions - arrange to use setjmp/longjmp exception handling], -[sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` -AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, - [Define 0/1 to force the choice for exception handling model.])]) - -# Use libunwind based exception handling. -AC_ARG_ENABLE(libunwind-exceptions, -[ --enable-libunwind-exceptions force use libunwind for exceptions], -use_libunwind_exceptions=$enableval, -use_libunwind_exceptions=no) -if test x"$use_libunwind_exceptions" = xyes; then - AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, - [Define if gcc should use -lunwind.]) -fi - # Make empty files to contain the specs and options for each language. # Then add #include lines to for a compiler that has specs and/or options. |
