Use plain AC_CHECK_HEADERS() instead, so ./configure will not check
for magic.h and zlib.h when --disable-libmagic is given.
Patch by Christian Weisgerber.
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5505
35c25a1d-7b9e-4130-9fde-
d3aeb78583b8
-2015-12-22 Benno Schulenberg <bensberg@justemail.net>
+2015-12-23 Christian Weisgerber <naddy@mips.inka.de>
+ * configure.ac: AC_CHECK_HEADERS_ONCE() is very special and cannot be
+ conditionalized. Use plain AC_CHECK_HEADERS() instead, to not check
+ for magic.h and zlib.h when configuring with --disable-libmagic.
+
+2015-12-22 Benno Schulenberg <bensberg@justemail.net>
* src/color.c (precalc_multicolorinfo, alloc_multidata_if_needed):
Move these two functions to the file where they belong. And make
the checking for an impatient user into a separate routine.
AC_MSG_WARN([*** Can't check for macro redefinability when cross-compiling]))
AS_IF([test "x$enable_libmagic" != "xno"], [
- AC_CHECK_HEADERS_ONCE([magic.h])
+ AC_CHECK_HEADERS([magic.h])
AC_CHECK_LIB(magic, magic_open)
- AC_CHECK_HEADERS_ONCE([zlib.h])
+ AC_CHECK_HEADERS([zlib.h])
AC_CHECK_LIB(z, inflate)
])