From 68ece3bba0d79ab721a0c50ee1e6014a37f759dc Mon Sep 17 00:00:00 2001
From: Wei Dai <wei.dai@microsoft.com>
Date: Mon, 24 May 2021 10:02:07 -0700
Subject: [PATCH] Added an option to disable the executable target
 list_cpu_feature.

---
 CMakeLists.txt | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9daeac..48eea0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,8 @@ if(NOT CMAKE_BUILD_TYPE)
       FORCE)
 endif(NOT CMAKE_BUILD_TYPE)
 
+# An option to disable the executable target list_cpu_features.
+option(BUILD_EXECUTABLE "Build list_cpu_features executable." ON)
 # BUILD_TESTING is a standard CMake variable, but we declare it here to make it
 # prominent in the GUI.
 option(BUILD_TESTING "Enable test (depends on googletest)." OFF)
@@ -157,9 +159,11 @@ add_library(CpuFeature::cpu_features ALIAS cpu_features)
 # program : list_cpu_features
 #
 
-add_executable(list_cpu_features ${PROJECT_SOURCE_DIR}/src/utils/list_cpu_features.c)
-target_link_libraries(list_cpu_features PRIVATE cpu_features)
-add_executable(CpuFeature::list_cpu_features ALIAS list_cpu_features)
+if(BUILD_EXECUTABLE)
+  add_executable(list_cpu_features ${PROJECT_SOURCE_DIR}/src/utils/list_cpu_features.c)
+  target_link_libraries(list_cpu_features PRIVATE cpu_features)
+  add_executable(CpuFeature::list_cpu_features ALIAS list_cpu_features)
+endif()
 
 #
 # ndk_compat
@@ -223,17 +227,26 @@ if(BUILD_TESTING)
 endif()
 
 #
-# Install cpu_features and list_cpu_features
+# Install cpu_features and optionally list_cpu_features
 #
 
 include(GNUInstallDirs)
-install(TARGETS cpu_features list_cpu_features
+install(TARGETS cpu_features
   EXPORT CpuFeaturesTargets
   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/cpu_features
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
+if(BUILD_EXECUTABLE)
+  install(TARGETS list_cpu_features
+    EXPORT CpuFeaturesTargets
+    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/cpu_features
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  )
+endif()
 install(EXPORT CpuFeaturesTargets
   NAMESPACE CpuFeatures::
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/CpuFeatures
-- 
2.25.1