Add function GIT_WITH_MAKE_VAR to provide an easy way to allow user
input to directly specify values for variables in the Makefile.
An example use is:
GIT_WITH_MAKE_VAR(gitconfig, ETC_GITCONFIG)
This would allow the user to add --with-gitconfig=/etc/mysiteconf
to their ./configure command line to add
ETC_GITCONFIG=/etc/mysiteconf to the config.mak.autogen file.
Signed-off-by: Ben Walton <bwalton@xxxxxxxxxxxxxxxxxx>
---
configure.ac | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index 84b6cf4..2829dbb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,20 @@ else \
GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
fi \
])# GIT_PARSE_WITH
+dnl
+dnl GIT_WITH_MAKE_VAR(withname, VAR)
+dnl ---------------------
+dnl Set VAR to the value specied by --with-$withname if --with-$withname
+dnl is specified. This is a direct way to allow setting variables in the
+dnl Makefile.
+AC_DEFUN([GIT_WITH_MAKE_VAR],
+[AC_ARG_WITH([$1],
+ [AS_HELP_STRING([--with-$1=VALUE],
+ [provide value for $2])],
+ if test -n "$withval"; then \
+ AC_MSG_NOTICE([Setting $2 to $withval]); \
+ GIT_CONF_APPEND_LINE($2=$withval); \
+ fi)])# GIT_WITH_MAKE_VAR
dnl
dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
--
1.6.5
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