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https://kernel.googlesource.com/pub/scm/network/tftp/tftp-hpa
synced 2025-04-26 01:49:52 +03:00
fefaa2cc5c
Use my modular m4 library used for other things as well; update autoconf macros to 2.71 standard. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
25 lines
678 B
Text
25 lines
678 B
Text
dnl --------------------------------------------------------------------------
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dnl PA_SIGSETJMP
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dnl
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dnl Do we have sigsetjmp/siglongjmp? (AC_CHECK_FUNCS doesn't seem to work
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dnl for these particular functions.)
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dnl --------------------------------------------------------------------------
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AC_DEFUN([PA_SIGSETJMP],
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[AC_MSG_CHECKING([for sigsetjmp])
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AC_LINK_IFELSE([AC_LANG_SOURCE(
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[
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AC_INCLUDES_DEFAULT
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#include <setjmp.h>
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int main(void) {
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sigjmp_buf buf;
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if (sigsetjmp(buf,1))
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return 0;
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siglongjmp(buf,2);
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return 1;
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}
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])],
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[AC_MSG_RESULT([yes])
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AC_DEFINE([HAVE_SIGSETJMP], 1,
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[Define to 1 if your system has sigsetjmp/siglongjmp])],
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[AC_MSG_RESULT([no])])])
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