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maint: Check whether Guile-zlib is recent enough.

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This is a followup to a04aef2430.

* m4/guix.m4 (GUIX_CHECK_GUILE_ZLIB): New macro.
* configure.ac: Use it when checking for Guile-zlib.
This commit is contained in:
Ludovic Courtès 2021-03-17 10:42:46 +01:00
parent 0571aa7abf
commit 62a091368d
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2 changed files with 21 additions and 3 deletions
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m4/guix.m4
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@ -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],