From 62a091368df3bab499142d06f5114a73915c71f2 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 17 Mar 2021 10:42:46 +0100 Subject: maint: Check whether Guile-zlib is recent enough. This is a followup to a04aef2430645357d7796969d4b6453478ff8a3f. * m4/guix.m4 (GUIX_CHECK_GUILE_ZLIB): New macro. * configure.ac: Use it when checking for Guile-zlib. --- m4/guix.m4 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'm4') diff --git a/m4/guix.m4 b/m4/guix.m4 index c1ce0876fa..90a106add8 100644 --- a/m4/guix.m4 +++ b/m4/guix.m4 @@ -226,6 +226,24 @@ AC_DEFUN([GUIX_CHECK_GUILE_GIT], [ fi]) ]) +dnl GUIX_CHECK_GUILE_ZLIB +dnl +dnl Check whether a recent-enough Guile-zlib is available. +AC_DEFUN([GUIX_CHECK_GUILE_ZLIB], [ + dnl Check whether we're using Guile-zlib 0.1.0 or later. + dnl 0.1.0 introduced the 'make-zlib-input-port' and related code. + AC_CACHE_CHECK([whether Guile-zlib is available and recent enough], + [guix_cv_have_recent_guile_zlib], + [GUILE_CHECK([retval], + [(use-modules (zlib)) + make-zlib-input-port]) + if test "$retval" = 0; then + guix_cv_have_recent_guile_zlib="yes" + else + guix_cv_have_recent_guile_zlib="no" + fi]) +]) + dnl GUIX_TEST_ROOT_DIRECTORY AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [ AC_CACHE_CHECK([for unit test root directory], -- cgit v1.2.3