uucp: Fix `configure` for strict C99

%ci:no-build

packages/uucp/build.sh

@@ -10,4 +10,3 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 --infodir=$TERMUX_PREFIX/share/info
 --mandir=$TERMUX_PREFIX/share/man
 "
-TERMUX_PKG_ENABLE_CLANG16_PORTING=false

packages/uucp/configure-clang16.patch

@@ -0,0 +1,44 @@
+https://github.com/termux/termux-packages/issues/15852
+
+--- a/configure
++++ b/configure
+@@ -1280,6 +1280,7 @@
+ #line 1281 "configure"
+ #include "confdefs.h"
+ 
++int
+ main(){return(0);}
+ EOF
+ if { (eval echo configure:1286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+@@ -3026,6 +3027,7 @@
+ #line 3027 "configure"
+ #include "confdefs.h"
+ 
++void exit();
+ int main() {
+ extern void foo (); (void) exit (0);
+ ; return 0; }
+@@ -3154,6 +3156,7 @@
+ #line 3155 "configure"
+ #include "confdefs.h"
+ 
++void *memset();
+ int main() {
+  char *i; int j, k; memset(i, j, k); 
+ ; return 0; }
+@@ -3186,6 +3189,7 @@
+ #line 3187 "configure"
+ #include "confdefs.h"
+ 
++int memcmp();
+ int main() {
+  char *i, *j; int k; memcmp(i, j, k); 
+ ; return 0; }
+@@ -3218,6 +3222,7 @@
+ #line 3219 "configure"
+ #include "confdefs.h"
+ 
++void *memcpy();
+ int main() {
+  char *i, *j; int k; memcpy(i, j, k); 
+ ; return 0; }