From 74236f1047cd0829ad6c96944045e67df3f1fcdb Mon Sep 17 00:00:00 2001 From: Jackie Huang Date: Wed, 5 Aug 2015 11:28:43 +0800 Subject: [PATCH] configure.ac: add arg --with-libunwind Add arg --with-libunwind for configure so it's optional to check libunwind, which is helpfull to make deterministic builds. Signed-off-by: Jackie Huang Signed-off-by: Peter Hutterer --- configure.ac | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/configure.ac b/configure.ac index 0d5d486c..885cb394 100644 --- a/configure.ac +++ b/configure.ac @@ -60,13 +60,22 @@ PKG_PROG_PKG_CONFIG() PKG_CHECK_MODULES(MTDEV, [mtdev >= 1.1.0]) PKG_CHECK_MODULES(LIBUDEV, [libudev]) PKG_CHECK_MODULES(LIBEVDEV, [libevdev >= 0.4]) -PKG_CHECK_MODULES(LIBUNWIND, + +AC_ARG_WITH(libunwind, + AS_HELP_STRING([--without-libunwind],[Do not use libunwind])) + +AS_IF([test "x$with_libunwind" != "xno"], + [PKG_CHECK_MODULES(LIBUNWIND, [libunwind], [HAVE_LIBUNWIND=yes], - [HAVE_LIBUNWIND=no]) -if test "x$HAVE_LIBUNWIND" = "xyes"; then - AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support]) -fi + [HAVE_LIBUNWIND=no])], + [HAVE_LIBUNWIND=no]) + +AS_IF([test "x$HAVE_LIBUNWIND" = "xyes"], + [AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])], + [AS_IF([test "x$with_libunwind" = "xyes"], + [AC_MSG_ERROR([libunwind requested but not found])])]) + AM_CONDITIONAL(HAVE_LIBUNWIND, [test "x$HAVE_LIBUNWIND" = xyes]) AC_PATH_PROG(ADDR2LINE, [addr2line]) if test "x$ADDR2LINE" != "x"; then