From 90b4f410a07222fa2e9a5f53b454a09d4533e45a Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Mon, 23 Sep 2024 14:50:37 +0100
Subject: [PATCH] cmake: Refer to `prefix` variable in generated `libzmq.pc`

This change:
1. Makes the `libzmq.pc` files generated by Autotools and CMake more
aligned.
2. Allows the `prefix` variable to be redefined if the package is
relocated.
---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ad2cc10..861164ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1256,9 +1256,9 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/builds/cmake/platform.hpp.in ${CMAKE_
 list(APPEND sources ${CMAKE_CURRENT_BINARY_DIR}/platform.hpp)
 
 set(prefix ${CMAKE_INSTALL_PREFIX})
-set(exec_prefix ${prefix})
-set(libdir ${prefix}/${CMAKE_INSTALL_LIBDIR})
-set(includedir ${prefix}/${CMAKE_INSTALL_INCLUDEDIR})
+set(exec_prefix "\${prefix}")
+set(libdir "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
+set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
 set(VERSION ${ZMQ_VERSION_MAJOR}.${ZMQ_VERSION_MINOR}.${ZMQ_VERSION_PATCH})
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/libzmq.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libzmq.pc @ONLY)
 set(zmq-pkgconfig ${CMAKE_CURRENT_BINARY_DIR}/libzmq.pc)