Merge pull request #201 from rpavlik/picked

Small script/build fixes

Author: rpavlik

runClangFormat.sh

@@ -22,7 +22,7 @@ set -e
     cd "$(dirname $0)"
     if [ ! "${CLANGFORMAT}" ]; then
         for tool in ${ACCEPTABLE_CLANG_FORMATS}; do
-            if which $tool > /dev/null; then
+            if which $tool > /dev/null 2> /dev/null; then
                 CLANGFORMAT=$tool
                 break
             fi

src/CMakeLists.txt

@@ -96,8 +96,11 @@ include(CMakeDependentOption)
 cmake_dependent_option(
     BUILD_WITH_SYSTEM_JSONCPP "Use system jsoncpp instead of vendored source" ON "JSONCPP_FOUND" OFF
 )
-cmake_dependent_option(BUILD_WITH_STD_FILESYSTEM "Use std::[experimental::]filesystem." ON
-       "HAVE_FILESYSTEM_WITHOUT_LIB OR HAVE_FILESYSTEM_NEEDING_LIB" OFF)
+cmake_dependent_option(
+    BUILD_WITH_STD_FILESYSTEM "Use std::[experimental::]filesystem." ON
+    "HAVE_FILESYSTEM_WITHOUT_LIB OR HAVE_FILESYSTEM_NEEDING_LIBSTDCXXFS OR HAVE_FILESYSTEM_NEEDING_LIBCXXFS"
+    OFF
+)
 
 # Several files use these compile-time OS switches
 if(WIN32)

src/cmake/StdFilesystemFlags.cmake

@@ -5,13 +5,15 @@
 if(MSVC AND MSVC_VERSION GREATER 1890)
     set(HAVE_FILESYSTEM_WITHOUT_LIB
         ON
-        CACHE INTERNAL "" FORCE)
+        CACHE INTERNAL "" FORCE
+    )
     if(MSVC_VERSION GREATER 1910)
         # Visual Studio 2017 Update 3 added new filesystem impl,
         # which only works in C++17 mode.
         set(HAVE_FILESYSTEM_NEEDS_17
             ON
-            CACHE INTERNAL "" FORCE)
+            CACHE INTERNAL "" FORCE
+        )
     endif()
 else()
     include(CheckCXXSourceCompiles)
@@ -50,7 +52,8 @@ else()
         #endif
 
         #endif
-    ")
+    "
+    )
     set(_stdfs_source
         "${_stdfs_conditions}
     #ifdef USE_FINAL_FS
@@ -61,7 +64,7 @@ else()
     "
     )
     set(_stdfs_experimental_source
-    "${_stdfs_conditions}
+        "${_stdfs_conditions}
     #ifdef USE_EXPERIMENTAL_FS
     #include <experimental/filesystem>
     using namespace std::experimental::filesystem;
@@ -113,7 +116,9 @@ else()
     set(CMAKE_TRY_COMPILE_TARGET_TYPE EXECUTABLE)
     check_cxx_source_compiles("${_stdfs_needlib_source}" HAVE_FILESYSTEM_WITHOUT_LIB)
     set(CMAKE_REQUIRED_LIBRARIES stdc++fs)
-    check_cxx_source_compiles("${_stdfs_needlib_source}" HAVE_FILESYSTEM_NEEDING_LIB)
+    check_cxx_source_compiles("${_stdfs_needlib_source}" HAVE_FILESYSTEM_NEEDING_LIBSTDCXXFS)
+    set(CMAKE_REQUIRED_LIBRARIES c++fs)
+    check_cxx_source_compiles("${_stdfs_needlib_source}" HAVE_FILESYSTEM_NEEDING_LIBCXXFS)
     unset(CMAKE_REQUIRED_LIBRARIES)
     unset(CMAKE_TRY_COMPILE_TARGET_TYPE)
 
@@ -129,8 +134,12 @@ function(openxr_add_filesystem_utils TARGET_NAME)
             set_property(TARGET ${TARGET_NAME} PROPERTY CXX_STANDARD 17)
             set_property(TARGET ${TARGET_NAME} PROPERTY CXX_STANDARD_REQUIRED TRUE)
         endif()
-        if(HAVE_FILESYSTEM_NEEDING_LIB AND NOT HAVE_FILESYSTEM_WITHOUT_LIB)
-            target_link_libraries(${TARGET_NAME} PRIVATE stdc++fs)
+        if(NOT HAVE_FILESYSTEM_WITHOUT_LIB)
+            if(HAVE_FILESYSTEM_NEEDING_LIBSTDCXXFS)
+                target_link_libraries(${TARGET_NAME} PRIVATE stdc++fs)
+            elseif(HAVE_FILESYSTEM_NEEDING_LIBCXXFS)
+                target_link_libraries(${TARGET_NAME} PRIVATE c++fs)
+            endif()
         endif()
     endif()
 endfunction()

src/loader/CMakeLists.txt

@@ -253,7 +253,7 @@ export(
 
 if((CMAKE_SYSTEM_NAME STREQUAL "Windows") OR (CMAKE_SYSTEM_NAME STREQUAL "WindowsStore"))
     set(TARGET_DESTINATION cmake)
-elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+else()
     set(TARGET_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/openxr/)
 endif()