tests: avoid a spurious failure on MSYS

[platform/upstream/automake.git] / maint.mk

diff --git a/maint.mk b/maint.mk
index 8b72639..3071360 100644 (file)
--- a/maint.mk
+++ b/maint.mk
@@ -18,6 +18,9 @@
 # Avoid CDPATH issues.
 unexport CDPATH
 
+# Program to use to fetch files from the Net.
+WGET = wget
+
 # --------------------------------------------------------- #
 #  Automatic generation of the ChangeLog from git history.  #
 # --------------------------------------------------------- #
@@ -303,9 +306,6 @@ CLEANFILES += announcement
 #  Synchronize third-party files that are committed in our repository.  #
 # --------------------------------------------------------------------- #
 
-# Program to use to fetch files.
-WGET = wget
-
 # Git repositories on Savannah.
 git-sv-host = git.savannah.gnu.org
 
@@ -473,13 +473,84 @@ update-copyright:
          | grep -Ev "^($$excluded_re)$$" \
          | $(update_copyright_env) xargs $(srcdir)/lib/$@
 
+# -------------------------------------------------------------- #
+#  Run the testsuite with the least supported autoconf version.  #
+# -------------------------------------------------------------- #
+
+gnu-ftp = http://ftp.gnu.org/gnu
+
+# Various shorthands: version, name, package name, tarball name,
+# tarball location, installation directory.
+ac-v = $(required_autoconf_version)
+ac-n = autoconf
+ac-p = $(ac-n)-$(ac-v)
+ac-t = $(ac-p).tar.gz
+ac-l = maintainer/$(ac-t)
+ac-d = maintainer/$(ac-p)
+
+fetch-minimal-autoconf: o = $(ac-l)
+fetch-minimal-autoconf:
+       $(AM_V_at)$(MKDIR_P) $(dir $o)
+       $(AM_V_at)rm -f $o $o-t
+       $(AM_V_GEN)$(WGET) -O $o-t $(gnu-ftp)/$(ac-n)/$(ac-t)
+       $(AM_V_at)chmod a-w $o-t && mv -f $o-t $o && ls -l $o
+.PHONY: fetch-minimal-autoconf
+
+build-minimal-autoconf:
+       $(AM_V_GEN):; \
+       test -f $(ac-l) || { \
+         echo "$@: tarball $(ac-l) seems missing." >&2; \
+         echo "$@: have you run '$(MAKE) fetch-minimal-autoconf'?" >&2; \
+         exit 1; \
+       }; \
+         set -x \
+         && $(PERL) $(srcdir)/t/ax/deltree.pl $(ac-d) \
+         && $(MKDIR_P) $(ac-d) \
+         && cd $(ac-d) \
+         && tar xzf '$(CURDIR)/$(ac-l)' \
+         && mv $(ac-p) src \
+         && mkdir build \
+         && cd build \
+         && env CONFIG_SHELL='$(SHELL)' $(SHELL) ../src/configure \
+              --prefix='$(CURDIR)/$(ac-d)' CONFIG_SHELL='$(SHELL)' \
+         && $(MAKE) install
+       $(AM_V_at)echo ' ======' && $(ac-d)/bin/autoconf --version
+.PHONY: build-minimal-autoconf
+
+check-minimal-autoconf:
+       $(AM_V_at)p='$(ac-d)/bin/autoconf'; \
+         if test ! -f "$$p" || test ! -x "$$p"; then \
+           echo "$@: program '$$p' seems missing." >&2; \
+           echo "$@: have you run '$(MAKE) build-minimal-autoconf'?" >&2; \
+           exit 1; \
+         fi
+       $(AM_V_GEN): \
+         && PATH='$(CURDIR)/$(ac-d)/bin$(PATH_SEPARATOR)'$$PATH \
+         && export PATH \
+         && AUTOCONF=autoconf \
+         && AUTOHEADER=autoheader \
+         && AUTORECONF=autoreconf \
+         && AUTOM4TE=autom4te \
+         && AUTOUPDATE=autoupdate \
+         && export AUTOCONF AUTOHEADER AUTORECONF AUTOM4TE AUTOUPDATE \
+         && echo === check autoconf version '(must be = $(ac-v))' \
+         && autoconf --version \
+         && autoconf --version | sed -e 's/^/ /; s/$$/ /' -e 1q \
+              | $(FGREP) '$(ac-v)' >/dev/null \
+         && echo === configure \
+         && ./configure $(shell ./config.status --config) \
+         && echo === build and test \
+         && $(MAKE) check
+.PHONY: check-minimal-autoconf
+
+
 # --------------------------------------------------------------- #
 #  Testing on real-world packages can help us avoid regressions.  #
 # --------------------------------------------------------------- #
 
 #
 # NOTE (from Stefano Lattarini):
-# 
+#
 # This section is mostly hacky and ad-hoc, but works for me and
 # on my system.  And while far from clean, it should help catching
 # real regressions on real world packages, which is important.