From: Eric Hawicz <erh+git@nimenees.com>
Date: Sun, 30 Jul 2023 15:38:01 +0000 (-0400)
Subject: Issue #808: turn off -Wshorten-64-to-32 for clang builds (aka iOS builds) to workarou... 
X-Git-Tag: json-c-0.17-20230812~12
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c8b0a90e951d2ef9f816f79725e6b54d72443fa1;p=thirdparty%2Fjson-c.git

Issue #808: turn off -Wshorten-64-to-32 for clang builds (aka iOS builds) to workaround "implicit conversion loses integer precision" warnings.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9d27062..8d64a6bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -305,6 +305,11 @@ if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL
     endif()
 
     add_definitions(-D_GNU_SOURCE)
+
+    if ("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
+        # Remove this for 1.0 when we can bump the ABI and actually fix these warnings.
+        set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} -Wno-shorten-64-to-32")
+    endif()
 elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} /DEBUG")
     set(CMAKE_C_FLAGS           "${CMAKE_C_FLAGS} /wd4100")