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authorDave Reisner <dreisner@archlinux.org>2012-04-11 09:29:07 -0400
committerDave Reisner <dreisner@archlinux.org>2012-04-24 09:54:06 -0400
commitea4aa6f184909db38bacbbf60f22f1674f2853a6 (patch)
tree200f106845b6ee274be3fe02c18e081f4478edfc
parent03acea832ad39fa371781f045c39677a02d1156a (diff)
downloadpacman-ea4aa6f184909db38bacbbf60f22f1674f2853a6.tar.xz
configure: require bash >= 4.1 at compile time
We've unofficially agreed to raise our minimum supported bash version to 4.1, and since added features that require it. Additionally, an earlier commit adds a syntax check to the builds of scripts/ and contrib/ which could conceivably fail with an earlier shell. Therefore, make this a hard requirement of the build process. Signed-off-by: Dave Reisner <dreisner@archlinux.org>
-rw-r--r--configure.ac18
1 files changed, 17 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index d488bfaf..0e78c238 100644
--- a/configure.ac
+++ b/configure.ac
@@ -148,7 +148,23 @@ AC_PROG_AWK
AC_PROG_CC_C99
AC_PROG_INSTALL
AC_CHECK_PROGS([PYTHON], [python2.7 python2.6 python2.5 python2 python], [false])
-AC_PATH_PROGS([BASH_SHELL], [bash bash4 bash3], [false])
+AC_PATH_PROGS([BASH_SHELL], [bash bash4], [false])
+
+AS_IF([test "x$BASH_SHELL" = "xfalse"],
+ AC_MSG_WARN([*** bash >= 4.1.0 is required for pacman scripts]),
+ [bash_version_major=`$BASH_SHELL -c 'echo "${BASH_VERSINFO[[0]]}"'`
+ bash_version_minor=`$BASH_SHELL -c 'echo "${BASH_VERSINFO[[1]]}"'`
+ ok=yes
+ if test "$bash_version_major" -lt 4; then
+ ok=no
+ fi
+ if test "$bash_version_major" -eq 4 && test "$bash_version_minor" -lt 1; then
+ ok=no
+ fi
+ if test "$ok" = "no"; then
+ AC_MSG_ERROR([*** bash >= 4.1.0 is required for pacman scripts])
+ fi
+ unset bash_version_major bash_version_minor ok])
# find installed gettext
AM_GNU_GETTEXT([external], [need-ngettext])