[PATCH] configure: add macros to stash FLAG variables

From

Ben Walton <bwalton@artsci.utoronto.ca>

Date

Mar 12, 2009, 19:20 UTC

Message-ID

<1236885612-22575-4-git-send-email-bwalton@artsci.utoronto.ca>

In-Reply-To

<1236885612-22575-3-git-send-email-bwalton@artsci.utoronto.ca>

Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>
---
 configure.ac |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 0bff480..469c9a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,32 @@ AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
   AC_SEARCH_LIBS([$1],,
   [$2],[$3])
 ],[$3])])
+
+dnl
+dnl GIT_STASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running
+dnl tests that may want to take user settings into account.
+AC_DEFUN([GIT_STASH_FLAGS],[
+if test -n "$1"; then
+   old_CPPFLAGS="$CPPFLAGS"
+   old_LDFLAGS="$LDFLAGS"
+   CPPFLAGS="-I$1/include $CPPFLAGS"
+   LDFLAGS="-L$1/$lib $LDFLAGS"
+fi
+])
+
+dnl
+dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Restore the stashed *FLAGS values.
+AC_DEFUN([GIT_UNSTASH_FLAGS],[
+if test -n "$1"; then
+   CPPFLAGS="$old_CPPFLAGS"
+   LDFLAGS="$old_LDFLAGS"
+fi
+])
+
 ## Site configuration related to programs (before tests)
 ## --with-PACKAGE[=ARG] and --without-PACKAGE
 #

-- 
1.6.0.5