cmake: support CMAKE_OSX_ARCHITECTURES when detecting SIZEOF variables

Closes #3945

1 files changed, 16 insertions, 7 deletions

diff --git a/lib/curl_config.h.cmake b/lib/curl_config.h.cmake
index afa59d538..3d96c498c 100644
--- a/lib/curl_config.h.cmake
+++ b/lib/curl_config.h.cmake
@@ -891,26 +891,35 @@
 /* Define to the function return type for send. */
 #cmakedefine SEND_TYPE_RETV ${SEND_TYPE_RETV}
 
+/*
+ Note: SIZEOF_* variables are fetched with CMake through check_type_size().
+ As per CMake documentation on CheckTypeSize, C preprocessor code is
+ generated by CMake into SIZEOF_*_CODE. This is what we use in the
+ following statements.
+
+ Reference: https://cmake.org/cmake/help/latest/module/CheckTypeSize.html
+*/
+
 /* The size of `int', as computed by sizeof. */
-#cmakedefine SIZEOF_INT ${SIZEOF_INT}
+${SIZEOF_INT_CODE}
 
 /* The size of `short', as computed by sizeof. */
-#cmakedefine SIZEOF_SHORT ${SIZEOF_SHORT}
+${SIZEOF_SHORT_CODE}
 
 /* The size of `long', as computed by sizeof. */
-#cmakedefine SIZEOF_LONG ${SIZEOF_LONG}
+${SIZEOF_LONG_CODE}
 
 /* The size of `off_t', as computed by sizeof. */
-#cmakedefine SIZEOF_OFF_T ${SIZEOF_OFF_T}
+${SIZEOF_OFF_T_CODE}
 
 /* The size of `curl_off_t', as computed by sizeof. */
-#cmakedefine SIZEOF_CURL_OFF_T ${SIZEOF_CURL_OFF_T}
+${SIZEOF_CURL_OFF_T_CODE}
 
 /* The size of `size_t', as computed by sizeof. */
-#cmakedefine SIZEOF_SIZE_T ${SIZEOF_SIZE_T}
+${SIZEOF_SIZE_T_CODE}
 
 /* The size of `time_t', as computed by sizeof. */
-#cmakedefine SIZEOF_TIME_T ${SIZEOF_TIME_T}
+${SIZEOF_TIME_T_CODE}
 
 /* Define to 1 if you have the ANSI C header files. */
 #cmakedefine STDC_HEADERS 1