diff options
Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index 4368675..79ca230 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -135,6 +135,17 @@ AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask AC_FUNC_VFORK AC_FUNC_ALLOCA +# Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do +# since sigsetjmp might only be defined as a macro. +AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp, +[AC_TRY_COMPILE([ +#include <setjmp.h> +], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);], +gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)]) +if test $gdb_cv_func_sigsetjmp = yes; then + AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ]) +fi + # See if <machine/reg.h> supports the %fs and %gs i386 segment registers. # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'. AC_CACHE_CHECK([for r_fs in struct reg], gdb_cv_struct_reg_r_fs, |