53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
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Add missing #include directives to obtain additional function
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prototypes. This avoids altering the result of this test with C99
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compilers which do not support implicit function declarations.
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Submitted upstream: <https://github.com/swig/swig/pull/2483>
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diff --git a/CCache/configure b/CCache/configure
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index 829db3db32ca442a..66f60da79446541e 100755
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--- a/CCache/configure
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+++ b/CCache/configure
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@@ -4135,6 +4135,9 @@ else $as_nop
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#include <sys/types.h>
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#include <stdarg.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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void foo(const char *format, ...) {
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va_list ap;
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int len;
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@@ -4149,7 +4152,7 @@ void foo(const char *format, ...) {
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exit(0);
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}
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-main() { foo("hello"); }
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+int main(void) { foo("hello"); }
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_ACEOF
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if ac_fn_c_try_run "$LINENO"
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diff --git a/CCache/configure.ac b/CCache/configure.ac
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index 2db3553ce796ec21..9afd49e8370d4cac 100644
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--- a/CCache/configure.ac
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+++ b/CCache/configure.ac
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@@ -63,6 +63,9 @@ AC_CACHE_CHECK([for C99 vsnprintf],ccache_cv_HAVE_C99_VSNPRINTF,[
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <sys/types.h>
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#include <stdarg.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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void foo(const char *format, ...) {
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va_list ap;
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int len;
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@@ -77,7 +80,7 @@ void foo(const char *format, ...) {
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exit(0);
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}
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-main() { foo("hello"); }
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+int main(void) { foo("hello"); }
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]])],[ccache_cv_HAVE_C99_VSNPRINTF=yes],[ccache_cv_HAVE_C99_VSNPRINTF=no],[ccache_cv_HAVE_C99_VSNPRINTF=cross])])
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if test x"$ccache_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
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AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])
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