From: Gregor Jasny <gregor.jasny@logmein.com>
Date: Sun, 22 Aug 2021 11:09:47 +0000 (+0200)
Subject: feat(cmake): Disable IPO for mingw
X-Git-Tag: v4.4.1~9^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F918%2Fhead;p=thirdparty%2Fccache.git

feat(cmake): Disable IPO for mingw

On mingw IPO seems to be broken (out-of-diskspace errors
and lacking linker module support), therefore IPO support is being
deactivated.
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb4b251ab..fcc2134bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,7 +66,7 @@ endif()
 message(STATUS "Ccache dev mode: ${CCACHE_DEV_MODE}")
 
 option(ENABLE_IPO "Enable interprocedural (link time, LTO) optimization" OFF)
-if(ENABLE_IPO)
+if(ENABLE_IPO AND NOT MINGW)
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 endif()