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46 lines
1.6 KiB

Add missing int return types for main in the configure script.
Implicit ints are a language feature that was removed in C99.
Submitted upstream: <https://github.com/FirebirdSQL/firebird/pull/7407>
diff --git a/configure.ac b/configure.ac
index 05edb5ec9410ff50..0474dc850dfd04bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1038,7 +1038,7 @@ AC_CHECK_FUNCS(sem_init)
if test "$ac_cv_func_sem_init" = "yes"; then
AC_MSG_CHECKING(for working sem_init())
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <semaphore.h>
- main () {
+ int main () {
sem_t s;
return sem_init(&s,0,0);
}
@@ -1079,7 +1079,7 @@ AC_SYS_LARGEFILE
if test "$ac_cv_sys_file_offset_bits" = "no"; then
AC_MSG_CHECKING(for native large file support)
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <unistd.h>
- main () {
+ int main () {
return !(sizeof(off_t) == 8);
}]])],[ac_cv_sys_file_offset_bits=64; AC_DEFINE(_FILE_OFFSET_BITS,64)
AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)],[])
@@ -1126,7 +1126,7 @@ dnl EKU: try to determine the alignment of long and double
dnl replaces FB_ALIGNMENT and FB_DOUBLE_ALIGN in src/jrd/common.h
AC_MSG_CHECKING(alignment of long)
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <semaphore.h>
-main () {
+int main () {
struct s {
char a;
union { long long x; sem_t y; } b;
@@ -1137,7 +1137,7 @@ AC_MSG_RESULT($ac_cv_c_alignment)
AC_DEFINE_UNQUOTED(FB_ALIGNMENT, $ac_cv_c_alignment, [Alignment of long])
AC_MSG_CHECKING(alignment of double)
-AC_RUN_IFELSE([AC_LANG_SOURCE([[main () {
+AC_RUN_IFELSE([AC_LANG_SOURCE([[int main () {
struct s {
char a;
double b;