[bug-gawk] build error with './configure --disable-extensions'

[Assaf Gordon]

Hello,

I think there might be a problem in gawk's build when using 
--disable-extensions.

With the latest release:

  $ wget http://ftp.gnu.org/gnu/gawk/gawk-4.1.3.tar.xz
  $ tar -xf gawk-4.1.3.tar.xz 
  $ cd gawk-4.1.3/
  $ ./configure --disable-extensions
  $ make
  [...]
  Making all in po
  make[2]: Nothing to be done for `all'.
  Making all in extension
  make[2]: *** No rule to make target `all'.  Stop.
  make[1]: *** [all-recursive] Error 1
  make: *** [all] Error 2

And with the latest git repository:

  $ git describe
  gawk-4.1.0-1818-g4f75877

  $ ./configure --disable-extensions 
  [...]
  configure: error: conditional "ENABLE_EXTENSIONS" was never defined.
  Usually this means the macro was only invoked conditionally.

This might be because "AM_CONDITIONAL([ENABLE_EXTENSIONS]" is defined inside an 
'if'.

The following might resolve it, but I have not tested it thoroughly.

regards,
 -assaf

====

diff --git a/configure.ac b/configure.ac
index a3e41e5..bfe785d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -315,8 +315,8 @@ if test "x$enable_extensions" != "xno"; then
                AC_MSG_ERROR([extension support requested, but unavailable])
        fi
        enable_extensions=$extensions_supported
-       AM_CONDITIONAL([ENABLE_EXTENSIONS], [test "x$enable_extensions" = 
"xyes"])
 fi
+AM_CONDITIONAL([ENABLE_EXTENSIONS], [test "x$enable_extensions" = "xyes"])
 
 dnl check for how to use getpgrp
 dnl have to hardwire it for VMS POSIX. Sigh.