maint: avoid "magic number exit".

[bison.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8d42c1d1cde4ddeeddcec65ed38ee4eeb419c471..622da5da4a8efb4e01a3b50893ce474738b2a1c8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,9 @@ AC_CONFIG_MACRO_DIR([m4])
 # releases, we want to be able run make dist without being required to
 # add a bogus NEWS entry.  In that case, the version string
 # automatically contains a dash, which we also let disable gnits.
-AM_INIT_AUTOMAKE([1.11.1 dist-xz silent-rules]
+AM_INIT_AUTOMAKE([1.11.1 dist-xz nostdinc
+                 color-tests parallel-tests
+                 silent-rules]
                  m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-_]],
                            [gnu], [gnits]))
 AM_SILENT_RULES([yes])
@@ -57,14 +59,14 @@ AC_PROG_CC_STDC
 # Gnulib (early checks).
 gl_EARLY
 
-AC_ARG_ENABLE(gcc-warnings,
+AC_ARG_ENABLE([gcc-warnings],
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
-[case "${enableval}" in
+[case $enable_gcc_warnings in
    yes|no) ;;
-   *)      AC_MSG_ERROR([bad value ${enableval} for gcc-warnings option]) ;;
+   *)  AC_MSG_ERROR([invalid value for --gcc-warnings: $enable_gcc_warnings]);;
  esac],
-              [enableval=no])
-if test "${enableval}" = yes; then
+              [enable_gcc_warnings=no])
+if test "$enable_gcc_warnings" = yes; then
   gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
   AC_SUBST([WERROR_CFLAGS])
   gl_WARN_ADD([-Wall])
@@ -181,6 +183,5 @@ do
 done
 AC_CONFIG_FILES([Makefile
                  po/Makefile.in
-                 examples/calc++/Makefile
                  doc/yacc.1])
 AC_OUTPUT