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The following commit(s) were added to refs/heads/development by this push: new 830a79ec m4: Fix Wstrict-prototypes warnings 830a79ec is described below commit 830a79ec29fc67e683f843285d6b68621fd353a2 Author: Peter Kokot <peterko...@gmail.com> AuthorDate: Mon Mar 18 01:28:15 2024 +0100 m4: Fix Wstrict-prototypes warnings This changes the C function prototypes to use void where needed. When building with CFLAGS=-Werror=strict-prototypes or similar, the libtool's tests can cause false reports and errors in the log files: error: function declaration isn't a prototype * m4/libtool.m4: Specify void for main function prototypes. * m4/ltdl.m4: Specify void for main and fnord function prototypes. --- m4/libtool.m4 | 12 ++++++------ m4/ltdl.m4 | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/m4/libtool.m4 b/m4/libtool.m4 index bbf2d21f..71d1e1ce 100644 --- a/m4/libtool.m4 +++ b/m4/libtool.m4 @@ -1048,7 +1048,7 @@ _LT_EOF echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD cat > conftest.c << _LT_EOF -int main() { return 0;} +int main(void) { return 0;} _LT_EOF echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err @@ -1879,11 +1879,11 @@ else /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) -int fnord () __attribute__((visibility("default"))); +int fnord (void) __attribute__((visibility("default"))); #endif -int fnord () { return 42; } -int main () +int fnord (void) { return 42; } +int main (void) { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; @@ -4060,7 +4060,7 @@ void nm_test_func(void){} #ifdef __cplusplus } #endif -int main(){nm_test_var='a';nm_test_func();return(0);} +int main(void){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then @@ -6232,7 +6232,7 @@ _LT_TAGVAR(objext, $1)=$objext lt_simple_compile_test_code="int some_variable = 0;" # Code to be used in simple link tests -lt_simple_link_test_code='int main(){return(0);}' +lt_simple_link_test_code='int main(void){return(0);}' _LT_TAG_COMPILER # Save the default compiler, since it gets overwritten when the other diff --git a/m4/ltdl.m4 b/m4/ltdl.m4 index 548e3643..8c6222b9 100644 --- a/m4/ltdl.m4 +++ b/m4/ltdl.m4 @@ -758,7 +758,7 @@ AC_CACHE_CHECK([for _ prefix in compiled symbols], [lt_cv_sys_symbol_underscore=no cat > conftest.$ac_ext <<_LT_EOF void nm_test_func(){} -int main(){nm_test_func;return 0;} +int main(void){nm_test_func;return 0;} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. @@ -862,7 +862,7 @@ _LT_EOF # define RTLD_NOW 0 # endif #endif -int main () { +int main (void) { void *handle = dlopen ("`pwd`/$libname$libltdl_cv_shlibext", RTLD_GLOBAL|RTLD_NOW); int status = $libltdl_dlunknown; if (handle) {