fix openbabel build failure with gcc12

packages/openbabel/gcc12-cmake.patch

+From c0570bfeb2d7e0a6a6de1f257cf28e7f3cac8739 Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Sun, 12 Jun 2022 11:23:59 +0100
+Subject: [PATCH] CMake: fix time check typo (fixes build failure w/ GCC 12)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Without this fixed check, we get a build failure with GCC 12:
+```
+/var/tmp/portage/sci-chemistry/openbabel-3.1.1_p20210225/work/openbabel-08e23f39b0cc39b4eebd937a5a2ffc1a7bac3e1b/include/openbabel/obutil.h:65:14: error: �~@~Xclock�~@~Y was not declared in this scope; did you mean �~@~Xclock_t�~@~Y?
+   65 |       start= clock();
+      |              ^~~~~
+      |              clock_t
+```
+
+Bug: https://bugs.gentoo.org/851510
+---
+ src/config.h.cmake | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/config.h.cmake b/src/config.h.cmake
+index 1c59c67699..26e5dde94f 100644
+--- a/src/config.h.cmake
++++ b/src/config.h.cmake
+@@ -182,8 +182,8 @@
+ #define OB_MODULE_PATH "@OB_MODULE_PATH@"
+
+ #ifndef TIME_WITH_SYS_TIME
+-  #ifdef HAVE_SYS_TIME
+-    #ifdef HAVE_TIME
++  #ifdef HAVE_SYS_TIME_H
++    #ifdef HAVE_TIME_H
+       #define TIME_WITH_SYS_TIME 1
+     #else
+       #define TIME_WITH_SYS_TIME 0
+

packages/openbabel/package.py

@@ -58,6 +58,9 @@ class Openbabel(CMakePackage):
     # Convert tabs to spaces. Allows unit tests to pass
     patch("testpdbformat-tabs-to-spaces.patch", when="@:2.4.1")
 
+    # CMake: fix time check typo (fixes build failure w/ GCC 12)
+    patch("gcc12-cmake.patch", when="@:3.1.1")
+
     def cmake_args(self):
         spec = self.spec
         args = []