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build: Improve GNUPG_BUILD_PROGRAM macro.

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* acinclude.m4 (GNUPG_BUILD_PROGRAM): Allow for dash in options.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-06-29 11:39:49 +02:00
parent c334fa8df0
commit d8ee0d79a7
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 6 additions and 4 deletions
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acinclude.m4
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@ -165,23 +165,25 @@ AC_DEFUN([GNUPG_CHECK_ENDIAN],
# build_NAME and whether --enable-NAME or --disable-NAME is shown with # build_NAME and whether --enable-NAME or --disable-NAME is shown with
# ./configure --help # ./configure --help
AC_DEFUN([GNUPG_BUILD_PROGRAM], AC_DEFUN([GNUPG_BUILD_PROGRAM],
[build_$1=$2 [m4_define([my_build], [m4_bpatsubst(build_$1, [[^a-zA-Z0-9_]], [_])])
my_build=$2
m4_if([$2],[yes],[ m4_if([$2],[yes],[
AC_ARG_ENABLE([$1], AC_HELP_STRING([--disable-$1], AC_ARG_ENABLE([$1], AC_HELP_STRING([--disable-$1],
[do not build the $1 program]), [do not build the $1 program]),
build_$1=$enableval, build_$1=$2) my_build=$enableval, my_build=$2)
],[ ],[
AC_ARG_ENABLE([$1], AC_HELP_STRING([--enable-$1], AC_ARG_ENABLE([$1], AC_HELP_STRING([--enable-$1],
[build the $1 program]), [build the $1 program]),
build_$1=$enableval, build_$1=$2) my_build=$enableval, my_build=$2)
]) ])
case "$build_$1" in case "$my_build" in
no|yes) no|yes)
;; ;;
*) *)
AC_MSG_ERROR([only yes or no allowed for feature --enable-$1]) AC_MSG_ERROR([only yes or no allowed for feature --enable-$1])
;; ;;
esac esac
m4_undefine([my_build])
]) ])