diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 660148ee..22491073 100644 --- a/configure.ac +++ b/configure.ac @@ -184,13 +184,21 @@ AS_IF([test "x$with_guile" != xno], PKG_CHECK_EXISTS([guile-$v], [guile_version=$v; have_guile=yes; break], []) done AC_MSG_RESULT([$guile_version]) - if test "$have_guile" = yes; then - PKG_CHECK_MODULES(GUILE, [guile-$guile_version]) - AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support]) - fi + AS_IF([test "$have_guile" = yes], + [ PKG_CHECK_MODULES(GUILE, [guile-$guile_version]) + # Unfortunately Guile requires a C99 compiler but GNU make doesn't, so + # verify we can actually compile the header. + keep_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $pkg_cv_GUILE_CFLAGS" + AC_CHECK_HEADER([libguile.h], + [AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support])], + [have_guile=no], + [/* Avoid configuration error warnings. */]) + CPPFLAGS="$keep_CPPFLAGS" + ]) ]) -AM_CONDITIONAL([HAVE_GUILE], [test "$have_guile" = yes]) +AM_CONDITIONAL([HAVE_GUILE], [test "$have_guile" = "yes"]) AC_CHECK_DECLS([sys_siglist, _sys_siglist, __sys_siglist], , , [AC_INCLUDES_DEFAULT |