Set a xy_given variable for a --enable/disable-xy option

This additional variable allows a check if an option was
explicitly given or implicitly set using the default.
This commit is contained in:
Martin Willi 2010-03-11 08:50:12 +01:00
parent a3920abb76
commit 81e9e75940
1 changed files with 8 additions and 4 deletions

View File

@ -6,12 +6,14 @@ AC_DEFUN([ARG_ENABL_SET],
[AC_ARG_ENABLE(
[$1],
AS_HELP_STRING([--enable-$1], [$2]),
[if test x$enableval = xyes; then
[patsubst([$1], [-], [_])_given=true
if test x$enableval = xyes; then
patsubst([$1], [-], [_])=true
else
patsubst([$1], [-], [_])=false
fi],
patsubst([$1], [-], [_])=false
[patsubst([$1], [-], [_])=false
patsubst([$1], [-], [_])_given=false]
)]
)
@ -22,11 +24,13 @@ AC_DEFUN([ARG_DISBL_SET],
[AC_ARG_ENABLE(
[$1],
AS_HELP_STRING([--disable-$1], [$2]),
[if test x$enableval = xyes; then
[patsubst([$1], [-], [_])_given=true
if test x$enableval = xyes; then
patsubst([$1], [-], [_])=true
else
patsubst([$1], [-], [_])=false
fi],
patsubst([$1], [-], [_])=true
[patsubst([$1], [-], [_])=true
patsubst([$1], [-], [_])_given=false]
)]
)