57 lines
1.1 KiB
Diff
57 lines
1.1 KiB
Diff
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From: Đoàn Trần Công Danh <congdanhqx@gmail.com>
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---
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configure.in | 24 ++++++++++++++++++++++--
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1 file changed, 22 insertions(+), 2 deletions(-)
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diff --git configure.in configure.in
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index 6570a07..0e4c9d1 100755
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--- configure.in
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+++ configure.in
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@@ -486,6 +486,25 @@ AC_LANG_PROGRAM([[
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AC_MSG_CHECKING([if any value exists for WNOHANG])
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rm -rf wnohang
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+AC_COMPILE_IFELSE([
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+AC_LANG_PROGRAM([[
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+#include <sys/wait.h>
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+]],[[
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+#ifdef WNOHANG
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+ int wnohang_value = WNOHANG;
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+#else
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+ #error no value
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+#endif
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+]])],
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+ AC_MSG_RESULT(yes)
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+,
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+ AC_MSG_RESULT(no)
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+ expect_cv_wnohang_value=1
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+)
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+
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+AC_CACHE_CHECK([value of WNOHANG], [expect_cv_wnohang_value],
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+[
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+rm -rf wnohang
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AC_TRY_RUN([
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#include <stdio.h>
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#include <sys/wait.h>
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@@ -500,14 +519,15 @@ main() {
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#endif
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}],
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AC_MSG_RESULT(yes)
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- AC_DEFINE_UNQUOTED(WNOHANG_BACKUP_VALUE, `cat wnohang`)
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rm -f wnohang
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,
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AC_MSG_RESULT(no)
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- AC_DEFINE(WNOHANG_BACKUP_VALUE, 1)
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,
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AC_MSG_ERROR([Expect can't be cross compiled])
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)
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+])
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+
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+AC_DEFINE_UNQUOTED(WNOHANG_BACKUP_VALUE, $expect_cv_wnohang_value)
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#
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# check how signals work
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--
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2.26.0.292.g33ef6b2f38
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