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Port configure script to C99

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Related to:

  <https://fedoraproject.org/wiki/Changes/PortingToModernC>
  <https://fedoraproject.org/wiki/Toolchain/PortingToModernC>
This commit is contained in:
Florian Weimer 2023-01-12 17:51:55 +01:00
parent 3fe391e859
commit f50f0e420e
2 changed files with 57 additions and 1 deletions
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52
swig-configure-c99.patch Normal file
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@ -0,0 +1,52 @@
Add missing #include directives to obtain additional function
prototypes. This avoids altering the result of this test with C99
compilers which do not support implicit function declarations.
Submitted upstream: <https://github.com/swig/swig/pull/2483>
diff --git a/CCache/configure b/CCache/configure
index 829db3db32ca442a..66f60da79446541e 100755
--- a/CCache/configure
+++ b/CCache/configure
@@ -4135,6 +4135,9 @@ else $as_nop
#include <sys/types.h>
#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
void foo(const char *format, ...) {
va_list ap;
int len;
@@ -4149,7 +4152,7 @@ void foo(const char *format, ...) {
exit(0);
}
-main() { foo("hello"); }
+int main(void) { foo("hello"); }
_ACEOF
if ac_fn_c_try_run "$LINENO"
diff --git a/CCache/configure.ac b/CCache/configure.ac
index 2db3553ce796ec21..9afd49e8370d4cac 100644
--- a/CCache/configure.ac
+++ b/CCache/configure.ac
@@ -63,6 +63,9 @@ AC_CACHE_CHECK([for C99 vsnprintf],ccache_cv_HAVE_C99_VSNPRINTF,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
void foo(const char *format, ...) {
va_list ap;
int len;
@@ -77,7 +80,7 @@ void foo(const char *format, ...) {
exit(0);
}
-main() { foo("hello"); }
+int main(void) { foo("hello"); }
]])],[ccache_cv_HAVE_C99_VSNPRINTF=yes],[ccache_cv_HAVE_C99_VSNPRINTF=no],[ccache_cv_HAVE_C99_VSNPRINTF=cross])])
if test x"$ccache_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [ ])

6
swig.spec
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@ -51,7 +51,7 @@
Summary: Connects C/C++/Objective C to some high-level programming languages
Name: swig
Version: 4.1.1
Release: 1%{?dist}
Release: 2%{?dist}
License: GPL-3.0-or-later AND BSD-3-Clause
URL: http://swig.sourceforge.net/
Source0: http://downloads.sourceforge.net/project/swig/swig/swig-%{version}/swig-%{version}.tar.gz
@ -62,6 +62,7 @@ Source2: description-ccache.h2m
Source3: ccache-swig.sh
Source4: ccache-swig.csh
%endif
Patch0: swig-configure-c99.patch
BuildRequires: coreutils
BuildRequires: findutils
@ -340,6 +341,9 @@ install -pm 644 Tools/swig.gdb %{buildroot}%{_datadir}/%{name}/gdb
%{_datadir}/%{name}/gdb
%changelog
* Thu Jan 12 2023 Florian Weimer <fweimer@redhat.com> - 4.1.1-2
- Port configure script to C99
* Thu Dec 01 2022 Jitka Plesnikova <jplesnik@redhat.com> - 4.1.1-1
- Update to 4.1.1