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Bug 4144

Summary: CMake complains about trailing spaces in sdl2.pc
Product: SDL Reporter: Azamat H. Hackimov <azamat.hackimov>
Component: buildAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 2.0.8   
Hardware: x86_64   
OS: Linux   
Attachments: libsdl2-2.0.8-rework-variables.patch

Description Azamat H. Hackimov 2018-04-21 08:49:53 UTC 
When you try use SDL2 2.0.8 in CMake project in Linux, it complains about trailing spaces in sdl2.pc:

CMake Error at CMakeLists.txt:147 (add_executable):
  Target "TestSimpleMain" links to item "-L/usr/lib64 -lSDL2 " which has
  leading or trailing whitespace.  This is now an error according to policy
  CMP0004.
Comment 1 Azamat H. Hackimov 2018-04-21 08:52:13 UTC 
Created attachment 3226 [details]
libsdl2-2.0.8-rework-variables.patch

Proposed fix.
Comment 2 Sam Lantinga 2018-04-24 04:52:36 UTC 
I don't think Bourne shell supports += on shell variables. Bash does, but the Bourne shell (/bin/sh) doesn't.
Comment 3 Sam Lantinga 2018-04-24 04:56:20 UTC 
This should fix it, thanks!
https://hg.libsdl.org/SDL/rev/28be2719184c