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maint: fix --gcc-warnings support.

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* configure.ac: Use enable_gcc_warnings instead of enableval,
	which is valid only with AC_ARG_ENABLE.
(cherry picked from commit 1890a2a816)

Conflicts:

	configure.ac
This commit is contained in:
Akim Demaille
2012-01-25 13:04:43 +01:00
parent 8ed97fd2b2
commit ed2e77eae6
1 changed files with 5 additions and 5 deletions
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10
configure.ac
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@@ -57,14 +57,14 @@ 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])