configure: add option to set the config option prefix

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

diff --git a/configure.ac b/configure.ac
index b8d8894c8e161bea6cae172baa30119a4cdf80ac..062bbb90e7925ad2fb27d84fc46175deab87a82b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -58,6 +58,19 @@ AC_ARG_ENABLE(
                [package_name=$enableval])])
 AC_SUBST([package_name], [${package_name=$PACKAGE_NAME}])
 
+AC_ARG_ENABLE(
+    [config-prefix],
+    [AS_HELP_STRING(
+        [--enable-config-prefix=PREFIX],
+        [the prefix to the config option (default=CONFIG_)])],
+    [AS_CASE(
+        ["$enableval"],
+        [*" "*],[AC_MSG_ERROR([config prefix can not contain spaces: '$enableval'])],
+        [yes],  [config_prefix=CONFIG_],
+        [no],   [config_prefix=],
+                [config_prefix=$enableval])])
+AC_SUBST([config_prefix], [${config_prefix-CONFIG_}])
+
 #----------------------------------------
 # Options to selectively enable/disable frontends
 # All are selected by default
@@ -333,6 +346,7 @@ AC_OUTPUT
 
 AC_MSG_NOTICE([Configured with:])
 AC_MSG_NOTICE([- package name: '$package_name'])
+AC_MSG_NOTICE([- config prefix: '$config_prefix'])
 AC_MSG_NOTICE([- frontends:])
 AS_IF([test "$enable_conf" = "yes"],
       [AC_MSG_NOTICE([  - conf:  yes])],

diff --git a/libs/parser/Makefile.am b/libs/parser/Makefile.am
index 5e25765ad166842a845fb8ea727cbfff02527515..a3862bead016634cc914d26587f9381978bfa3fa 100644 (file)
--- a/libs/parser/Makefile.am
+++ b/libs/parser/Makefile.am
@@ -6,7 +6,8 @@ dist_EXTRA_libkconfigparser_la_SOURCES =  \
     hconf.gperf lconf.l                   \
     confdata.c menu.c symbol.c util.c     \
     expr.c expr.h lkc.h lkc_proto.h
-libkconfigparser_la_CPPFLAGS = -DPACKAGE=\"$(package_name)\"
+libkconfigparser_la_CPPFLAGS = -DPACKAGE=\"$(package_name)\"    \
+                               -DCONFIG_=\"$(config_prefix)\"
 libkconfigparser_la_LDFLAGS = -release $(KCONFIGPARSER_LIB_VERSION)
 
 include_HEADERS = expr.h lkc.h lkc_proto.h