diff options
Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index c2c5df6..e486cb5 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -503,6 +503,36 @@ if test x$want_mmalloc = xtrue; then MMALLOC='../mmalloc/libmmalloc.a' fi +AC_ARG_WITH(included-regex, +[ --with-included-regex Use included regex], +[case "${withval}" in + yes) want_included_regex=true ;; + no) want_included_regex=false;; + *) AC_MSG_ERROR(bad value ${withval} for GDB with-included-regex option) ;; +esac],[want_included_regex=true])dnl + +REGEX="gnu-regex.o" +REGEX_CFLAGS="-DUSE_INCLUDED_REGEX" +if test $want_included_regex = false; then + AC_MSG_CHECKING(for GNU regex) + AC_CACHE_VAL(gdb_cv_have_gnu_regex, +[AC_TRY_COMPILE([#include <gnu-versions.h> +#include <sys/types.h> +#include <regex.h>], +[#if !defined _GNU_REGEX_INTERFACE_VERSION || !defined __GLIBC__ || __GLIBC__ < 2 +#error No valid GNU regex. +#endif +], + [gdb_cv_have_gnu_regex=yes], + [gdb_cv_have_gnu_regex=no])]) + AC_MSG_RESULT($gdb_cv_have_gnu_regex) + if test $gdb_cv_have_gnu_regex = yes; then + REGEX= + REGEX_CFLAGS= + fi +fi +AC_SUBST(REGEX) +AC_SUBST(REGEX_CFLAGS) # In the Cygwin environment, we need some additional flags. AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin, |