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build: Make sure the user's Guile has all the required features.

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* m4/guix.m4 (GUIX_ASSERT_GUILE_FEATURES): New macro.
* configure.ac: Use it.
This commit is contained in:
Ludovic Courtès
2013-05-09 22:26:51 +02:00
parent cf8f58b2af
commit 9c7dd33a48
2 changed files with 20 additions and 0 deletions
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17
m4/guix.m4
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@@ -67,3 +67,20 @@ AC_DEFUN([GUIX_SYSTEM_TYPE], [
AC_SUBST([guix_system])
])
dnl GUIX_ASSERT_GUILE_FEATURES FEATURES
dnl
dnl Assert that FEATURES are provided by $GUILE.
AC_DEFUN([GUIX_ASSERT_GUILE_FEATURES], [
for guix_guile_feature in $1
do
AC_MSG_CHECKING([whether $GUILE provides feature '$guix_guile_feature'])
if "$GUILE" -c "(exit (provided? '$guix_guile_feature))"
then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([$GUILE does not support feature '$guix_guile_feature', which is required.])
fi
done
])