From: Lasse Collin <lasse.collin@tukaani.org>
Date: Mon, 24 Jun 2024 18:06:18 +0000 (+0300)
Subject: CMake: Improve the comment about LIBS
X-Git-Tag: v5.7.1alpha~153
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=d3f20382fc1bd865eb70a65455d5022ed05caac8;p=thirdparty%2Fxz.git

CMake: Improve the comment about LIBS
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51386e33..cb082809 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -270,6 +270,12 @@ tuklib_large_file_support(ALL)
 tuklib_integer(ALL)
 
 # This is used for liblzma.pc generation to add -lrt and -lmd if needed.
+#
+# The variable name LIBS comes from Autoconf where AC_SEARCH_LIBS adds the
+# libraries it finds into the shell variable LIBS. These libraries need to
+# be put into liblzma.pc too, thus liblzma.pc.in has @LIBS@ because that
+# matches the Autoconf's variable. When CMake support was added, using
+# the same variable with configure_file() was the simplest method.
 set(LIBS)
 
 # Check for clock_gettime(). Do this before checking for threading so