e3d1d48bb0
Related to: <https://fedoraproject.org/wiki/Changes/PortingToModernC> <https://fedoraproject.org/wiki/Toolchain/PortingToModernC>
30 lines
915 B
Diff
30 lines
915 B
Diff
Do not rely on an implicit function declaration for detecting
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the daemon function. Future compilers may not accept such
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declarations by default, causing the detection result to change.
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Submitted upstream: <https://github.com/NLnetLabs/dnssec-trigger/pull/11>
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diff --git a/configure b/configure
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index 079ea641e2940515..22c9487fb0d311f8 100755
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--- a/configure
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+++ b/configure
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@@ -6757,6 +6757,7 @@ else
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echo '
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#include <stdlib.h>
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+#include <unistd.h>
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' >conftest.c
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echo 'void f(){ (void)daemon(0, 0); }' >>conftest.c
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if test -z "`$CC -c conftest.c 2>&1 | grep deprecated`"; then
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diff --git a/configure.ac b/configure.ac
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index c809367d307f108e..e8095fe7288ba68a 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -225,6 +225,7 @@ AC_CHECK_FUNCS([daemon])
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if test $ac_cv_func_daemon = yes; then
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ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
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#include <stdlib.h>
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+#include <unistd.h>
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])
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fi
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