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autotools: Added --disable-unwind option 

Added --disable-uniwnd option to allow user to disable automatically finding libunwind.

This helps with compilation with -m32 without libunwind.
This commit is contained in:
Felipe Magno de Almeida 2015-07-09 02:02:56 -03:00
parent d57d0c5ce0
commit d6099cb44a
1 changed files with 10 additions and 2 deletions
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12
configure.ac
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@ -849,8 +849,16 @@ case "${build_profile}" in
;;
esac
PKG_CHECK_MODULES(UNWIND, [libunwind libunwind-generic],
[have_unwind=yes], [have_unwind=no])
want_unwind="yes"
have_unwind="no"
AC_ARG_ENABLE([unwind],
[AS_HELP_STRING([--disable-unwind],[Disable unwind library. @<:@default=enabled@:>@])],
[want_unwind="no"], [])
if test x"${want_unwind}" = "xyes"; then
PKG_CHECK_MODULES(UNWIND, [libunwind libunwind-generic],
[have_unwind=${want_unwind}], [have_unwind=no])
fi
AS_IF([test "x$have_unwind" = "xyes"],
[AC_DEFINE([HAVE_UNWIND], [1], [Have libunwind])])
AM_CONDITIONAL(HAVE_UNWIND, test "x$have_unwind" = "xyes")