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locks; strict;
comment	@# @;


1.1
date	2023.10.21.11.20.23;	author nros;	state Exp;
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commitid	5A3FDBOk505W6uJE;


desc
@@


1.1
log
@charls: use platform independent cmake configure check for --version-script
@
text
@$NetBSD$

Not all unix ld commands support --version_script ,
check if it works before using it

--- src/CMakeLists.txt.orig	2023-10-21 11:00:42.582420428 +0000
+++ src/CMakeLists.txt
@@@@ -78,9 +78,10 @@@@ set_property(TARGET charls PROPERTY PUBL
 
 set_target_properties(charls PROPERTIES
   LINK_DEPENDS ${CMAKE_CURRENT_LIST_DIR}/charls.version)
-if(UNIX AND NOT APPLE)
-  set_property(TARGET charls APPEND_STRING PROPERTY
-    LINK_FLAGS " -Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/charls.version")
+include(CheckLinkerFlag)
+check_linker_flag(CXX "LINKER:--version-script=${CMAKE_CURRENT_LIST_DIR}/charls.version" versionscript_flag)
+if(versionscript_flag)
+  target_link_options(charls PRIVATE "LINKER:--version-script=${CMAKE_CURRENT_LIST_DIR}/charls.version")
 endif()
 
 target_sources(charls
@