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In out-of-tree builds the #include fails because $srcdir isn't in the include path. Set CPPFLAGS so that it is.
Upstream-Status: Backport [r1750]
Signed-off-by: Ross Burton <ross.burton@intel.com>
Index: configure.ac
===================================================================
--- a/configure.ac (revision 1749)
+++ b/configure.ac (working copy)
@@ -159,6 +159,8 @@
if test "$enable_jit" = "auto"; then
AC_LANG(C)
+ SAVE_CPPFLAGS=$CPPFLAGS
+ CPPFLAGS=-I$srcdir
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#define SLJIT_CONFIG_AUTO 1
#include "sljit/sljitConfigInternal.h"
@@ -165,6 +167,7 @@
#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
#error unsupported
#endif]])], enable_jit=yes, enable_jit=no)
+ CPPFLAGS=$SAVE_CPPFLAGS
fi
# Handle --disable-pcregrep-jit (enabled by default)
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