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* configure.ac: Check that we can link with Guile

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On multi-arch systems we may be able to find the header file but
not successfully link the library.
This commit is contained in:
Paul Smith 2022-10-22 20:28:35 -04:00
parent f364e0d8d6
commit b4157d2ff4
1 changed files with 23 additions and 3 deletions
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26
configure.ac
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@ -175,15 +175,35 @@ AS_IF([test "x$with_guile" != xno],
AC_MSG_RESULT([$guile_version])
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.
# Unfortunately pkg doesn't help in multi-arch environments where the
# package is installed for some architectures but not others; we need
# to try to link.
keep_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $pkg_cv_GUILE_CFLAGS"
keep_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $GUILE_CFLAGS"
LIBS="$LIBS $GUILE_LIBS"
AC_CHECK_HEADER([libguile.h],
[AC_DEFINE([HAVE_GUILE], [1], [Embed GNU Guile support])],
[have_guile=no],
[/* Avoid configuration error warnings. */])
AS_IF([test "$have_guile" = yes],
[ AC_MSG_CHECKING([whether we can link GNU Guile])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <libguile.h>
static void *
guile_init (void *arg)
{
(void) arg;
return 0;
}
]], [[
scm_with_guile (guile_init, 0);
]])],
[have_guile=yes],
[have_guile=no])
AC_MSG_RESULT([$have_guile])])
CPPFLAGS="$keep_CPPFLAGS"
LIBS="$keep_LIBS"
])
])