From 66d5125848150fbf8d41f456e2921a38b7690532 Mon Sep 17 00:00:00 2001 From: Serhey Popovych Date: Fri, 29 Nov 2019 11:21:30 +0200 Subject: configure.ac: Support building with old autoconf 2.63 This version found on RHEL6 making autoreconf fail with following error: configure.ac:61: error: possibly undefined macro: AS_VAR_COPY If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. Apply fix from https://github.com/gdnsd/gdnsd/issues/85 to fix problem. Signed-off-by: Serhey Popovych Signed-off-by: Jozsef Kadlecsik --- configure.ac | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/configure.ac b/configure.ac index 8fe1890..17ba184 100644 --- a/configure.ac +++ b/configure.ac @@ -64,6 +64,12 @@ AS_VAR_IF([$1], [""], [$5], [$4])dnl ])# PKG_CHECK_VAR ]) +# This hack makes PKG_CHECK_VARS from m4/pkg.m4 work on autoconf 2.63 +# (courtesy of sunnybear in https://github.com/gdnsd/gdnsd/issues/85) +m4_ifndef([AS_VAR_COPY], +[m4_define([AS_VAR_COPY], +[AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])]) + if test "x$enable_bashcompl" = "xyes"; then PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], , bashcompdir="${sysconfdir}/bash_completion.d") AC_SUBST(bashcompdir) -- cgit v1.2.3