From 0d34a61fb88666a511448fdf2a1747968afa1f98 Mon Sep 17 00:00:00 2001
From: "Addisu Z. Taddese" <addisu@openrobotics.org>
Date: Tue, 17 Oct 2023 10:50:58 -0500
Subject: [PATCH] Use a compile definition for setting `GZ_CONFIG_PATH`

Signed-off-by: Addisu Z. Taddese <addisu@openrobotics.org>
---
 src/CMakeLists.txt     | 4 ++++
 src/gz_TEST.cc         | 3 +++
 test/CMakeLists.txt    | 7 +------
 test/test_config.hh.in | 1 -
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ad3eb9682..0757017d2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -61,6 +61,10 @@ if (BUILD_TESTING)
       XmlUtils.cc)
   endif()
 
+  if(TARGET UNIT_gz_TEST)
+    target_compile_definitions(UNIT_gz_TEST PUBLIC "-DDETAIL_GZ_CONFIG_PATH=\"${CMAKE_BINARY_DIR}/test/conf/$<CONFIG>\"")
+  endif()
+
   if (TARGET UNIT_FrameSemantics_TEST)
     target_sources(UNIT_FrameSemantics_TEST PRIVATE FrameSemantics.cc Utils.cc)
     target_link_libraries(UNIT_FrameSemantics_TEST TINYXML2::TINYXML2)
diff --git a/src/gz_TEST.cc b/src/gz_TEST.cc
index a7c5cacdd..72ff7e5cb 100644
--- a/src/gz_TEST.cc
+++ b/src/gz_TEST.cc
@@ -36,6 +36,9 @@
   #define pclose _pclose
 #endif
 
+// DETAIL_GZ_CONFIG_PATH is compiler definition set in CMake.
+#define GZ_CONFIG_PATH DETAIL_GZ_CONFIG_PATH
+
 static std::string SdfVersion()
 {
   return " --force-version " + std::string(SDF_VERSION_FULL);
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 1afd56f23..a93dcf814 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,9 +1,4 @@
-configure_file(test_config.hh.in ${PROJECT_BINARY_DIR}/include/test_config.hh.configured)
-
-file(GENERATE
-OUTPUT ${PROJECT_BINARY_DIR}/include/test_config.hh
-INPUT ${PROJECT_BINARY_DIR}/include/test_config.hh.configured)
-
+configure_file(test_config.hh.in ${PROJECT_BINARY_DIR}/include/test_config.hh)
 include_directories(
   ${PROJECT_BINARY_DIR}/include
 )
diff --git a/test/test_config.hh.in b/test/test_config.hh.in
index 89a908f4b..8e025d922 100644
--- a/test/test_config.hh.in
+++ b/test/test_config.hh.in
@@ -18,7 +18,6 @@
 #ifndef SDF_TEST_CONFIG_HH_
 #define SDF_TEST_CONFIG_HH_
 
-#define GZ_CONFIG_PATH "@CMAKE_BINARY_DIR@/test/conf/$<CONFIG>"
 #define GZ_PATH "@GZ_PROGRAM@"
 #define GZ_TEST_LIBRARY_PATH "${PROJECT_BINARY_DIR}/src:"\
   "@GZ-MSGS_LIBRARY_DIRS@:"