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Fix --enable-jit=auto for out-of-tree builds.

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Philip.Hazel 2019-03-01 16:19:49 +00:00
parent 4fd8932e83
commit 473d8f95d7
2 changed files with 7 additions and 0 deletions
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4
ChangeLog
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@ -140,6 +140,10 @@ no result, so I have now hacked CMakeLists.txt along the lines of some changes
I found on the Internet. The new code no longer needs the policy setting, and I found on the Internet. The new code no longer needs the policy setting, and
it appears to work fine on Linux. it appears to work fine on Linux.
35. Setting --enable-jit=auto for an out-of-tree build failed because the
source directory wasn't in the search path for AC_TRY_COMPILE always. Patch
from Ross Burton.
Version 10.32 10-September-2018 Version 10.32 10-September-2018
------------------------------- -------------------------------

3
configure.ac
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@ -146,12 +146,15 @@ AC_ARG_ENABLE(jit,
# This code enables JIT if the hardware supports it. # This code enables JIT if the hardware supports it.
if test "$enable_jit" = "auto"; then if test "$enable_jit" = "auto"; then
AC_LANG(C) AC_LANG(C)
SAVE_CPPFLAGS=$CPPFLAGS
CPPFLAGS=-I$srcdir
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#define SLJIT_CONFIG_AUTO 1 #define SLJIT_CONFIG_AUTO 1
#include "src/sljit/sljitConfigInternal.h" #include "src/sljit/sljitConfigInternal.h"
#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) #if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
#error unsupported #error unsupported
#endif]])], enable_jit=yes, enable_jit=no) #endif]])], enable_jit=yes, enable_jit=no)
CPPFLAGS=$SAVE_CPPFLAGS
echo checking for JIT support on this hardware... $enable_jit echo checking for JIT support on this hardware... $enable_jit
fi fi