From 60137ec132951f941f2fb98cd6353717b322cbf1 Mon Sep 17 00:00:00 2001
From: Peter Marko <peter.marko@siemens.com>
Date: Wed, 2 Apr 2025 10:17:38 +0200
Subject: [PATCH] Allow specifying path to 7z library in tests

For instance to override path to library on Linux when using real 7-zip
instead of pzip: /usr/lib/lib7z.so

Upstream-Status: Submitted [https://github.com/rikyoz/bit7z/pull/288]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
 tests/CMakeLists.txt           | 7 +++++++
 tests/src/utils/shared_lib.hpp | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 60da280d..1307366a 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -103,6 +103,13 @@ message( STATUS "Use system 7-zip for tests: ${BIT7Z_TESTS_USE_SYSTEM_7ZIP}" )
 if( BIT7Z_TESTS_USE_SYSTEM_7ZIP )
     target_compile_definitions( ${TESTS_TARGET} PRIVATE BIT7Z_TESTS_USE_SYSTEM_7ZIP )
     target_compile_definitions( ${TESTS_TARGET_PUBLIC} PRIVATE BIT7Z_TESTS_USE_SYSTEM_7ZIP )
+else()
+    set( BIT7Z_TESTS_7Z_LIBRARY_PATH "" CACHE STRING "The path of the 7-Zip library to be used for running the tests" )
+    if( NOT BIT7Z_TESTS_7Z_LIBRARY_PATH STREQUAL "" )
+        message( STATUS "Use custom 7-zip library for tests: ${BIT7Z_TESTS_7Z_LIBRARY_PATH}" )
+        target_compile_definitions( ${TESTS_TARGET} PRIVATE BIT7Z_TESTS_7Z_LIBRARY_PATH="${BIT7Z_TESTS_7Z_LIBRARY_PATH}" )
+        target_compile_definitions( ${TESTS_TARGET_PUBLIC} PRIVATE BIT7Z_TESTS_7Z_LIBRARY_PATH="${BIT7Z_TESTS_7Z_LIBRARY_PATH}" )
+    endif()
 endif()
 
 # Avoiding linking unnecessary libraries.
diff --git a/tests/src/utils/shared_lib.hpp b/tests/src/utils/shared_lib.hpp
index 41435a9b..8bc02939 100644
--- a/tests/src/utils/shared_lib.hpp
+++ b/tests/src/utils/shared_lib.hpp
@@ -20,7 +20,9 @@ namespace bit7z {
 namespace test {
 
 inline auto sevenzip_lib_path() -> tstring {
-#ifdef BIT7Z_TESTS_USE_SYSTEM_7ZIP
+#ifdef BIT7Z_TESTS_7Z_LIBRARY_PATH
+    static const tstring lib_path = BIT7Z_STRING( BIT7Z_TESTS_7Z_LIBRARY_PATH );
+#elif defined( BIT7Z_TESTS_USE_SYSTEM_7ZIP )
 #ifdef _WIN64
     static const tstring lib_path = BIT7Z_STRING( "C:\\Program Files\\7-Zip\\7z.dll" );
 #elif defined( _WIN32 )