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configure.ac: add arg --with-libunwind

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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 <jackie.huang@windriver.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Jackie Huang 2015-08-05 11:28:43 +08:00 • committed by Peter Hutterer
parent 2ee2bebb34
commit 74236f1047
1 changed files with 14 additions and 5 deletions
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19
configure.ac
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@ -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