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Unbalanced AC_LANG_PUSH / POP with ax_check_x86_features / ax_gcc_x86_cp
From: |
Kip Warner |
Subject: |
Unbalanced AC_LANG_PUSH / POP with ax_check_x86_features / ax_gcc_x86_cpu_supports |
Date: |
Fri, 18 Aug 2017 19:11:08 -0700 |
Hey list,
My configure.ac sets AC_LANG([C++]). I conduct a variety of tests, both
before and after running AX_CHECK_X86_FEATURES.
I noticed, however, that after inserting this latter test the
subsequent ones which depend on a C++ compiler fail, such as
AC_CHECK_HEADERS([cassert]).
I did a little bit of digging and it appears as though there is a
temporary workaround by appending an AC_LANG([C++]) immediately after
executing AX_CHECK_X86_FEATURES.
My guess is either AX_CHECK_X86_FEATURES or AX_GCC_X86_CPU_SUPPORTS may
have unbalanced AC_LANG_PUSH / AC_LANG_POPs.
Yours truly,
--
Kip Warner | Senior Software Engineer
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