diff options
Diffstat (limited to 'pkg.m4.in')
| -rw-r--r-- | pkg.m4.in | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -22,6 +22,27 @@ # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. +# PKG_PREREQ(MIN-VERSION) +# ------------------------------------- +# Since: 0.29 +# +# Verify that the version of the pkg-config macros are at least +# MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's +# installed version of pkg-config, this checks the developer's version +# of pkg.m4 when generating configure. +# +# To ensure that this macro is defined, also add: +# m4_ifndef([PKG_PREREQ], +# [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) +# +# See the "Since" comment for each macro you use to see what version of +# the macros you require. +m4_defun([PKG_PREREQ], +[m4_define([PKG_MACROS_VERSION], [@VERSION@]) +m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, + [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) +])# PKG_PREREQ + # PKG_PROG_PKG_CONFIG([MIN-VERSION]) # ---------------------------------- AC_DEFUN([PKG_PROG_PKG_CONFIG], |