--- a/configure.ac
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+++ b/configure.ac
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@@ -454,16 +454,6 @@ if test $ondarwin -eq 1; then
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else
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stdc="gnu"
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fi
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-AC_RUN_IFELSE(
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-[AC_LANG_PROGRAM([], [dnl
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- #ifdef __STDC_VERSION__
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- #if __STDC_VERSION__ >= 201112L
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- return 0;
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- #endif
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- #endif
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- return 1;
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- ])], [CFLAGS="$CFLAGS -std=${stdc}11"], [CFLAGS="$CFLAGS -std=${stdc}99"])
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-AC_CHECK_HEADERS([stdint.h stdbool.h], [], [AC_MSG_ERROR([toolchain does not have C99 headers])])
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# ---------------------------------------------------------------------------
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# Outputs
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