From: Joel Rosdahl <joel@rosdahl.net>
Date: Thu, 12 May 2022 18:46:24 +0000 (+0200)
Subject: chore: Set version “unknown” instead of empty string if unknown
X-Git-Tag: v4.6.1~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c7bdcc86a538f94a44e073f4c51b126de32eb7f;p=thirdparty%2Fccache.git

chore: Set version “unknown” instead of empty string if unknown
---

diff --git a/cmake/CcacheVersion.cmake b/cmake/CcacheVersion.cmake
index 1b958635f..3d373bfaf 100644
--- a/cmake/CcacheVersion.cmake
+++ b/cmake/CcacheVersion.cmake
@@ -23,6 +23,7 @@
 # 3.
 
 set(version_info "$Format:%H %D$")
+set(CCACHE_VERSION "unknown")
 
 if(version_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f])[0-9a-f]* (.*)")
   # Scenario 1.
@@ -43,7 +44,6 @@ elseif(EXISTS "${CMAKE_SOURCE_DIR}/.git")
 
   find_package(Git QUIET)
   if(NOT GIT_FOUND)
-    set(CCACHE_VERSION "unknown")
     message(WARNING "Could not find git")
   else()
     macro(git)
@@ -73,9 +73,9 @@ elseif(EXISTS "${CMAKE_SOURCE_DIR}/.git")
   endif()
 endif()
 
-if(CCACHE_VERSION STREQUAL "")
+if("${CCACHE_VERSION}" STREQUAL "unknown")
   # Scenario 2 or unexpected error.
-  message(SEND_ERROR "Cannot determine Ccache version")
+  message(WARNING "Could not determine ccache version")
 endif()
 
 message(STATUS "Ccache version: ${CCACHE_VERSION}")