remove filesystem linking

GCC and Clang greater than 8 don't need this. Remove it.

Signed-off-by: Rosen Penev <[email protected]>

app/CMakeLists.txt

@@ -31,8 +31,6 @@ if(EXIV2_ENABLE_NLS)
   target_include_directories(exiv2 PRIVATE ${Intl_INCLUDE_DIRS})
 endif()
 
-target_link_libraries(exiv2 PRIVATE std::filesystem)
-
 if(USING_CONAN
    AND WIN32
    AND EXISTS ${PROJECT_BINARY_DIR}/conanDlls

cmake/findDependencies.cmake

@@ -37,10 +37,6 @@ if(BUILD_TESTING)
     endif()
 endif()
 
-if(EXIV2_ENABLE_FILESYSTEM_ACCESS)
-  find_package(Filesystem COMPONENTS Experimental Final REQUIRED)
-endif()
-
 # don't use Frameworks on the Mac (#966)
 if (APPLE)
     set(CMAKE_FIND_FRAMEWORK NEVER)

fuzz/CMakeLists.txt

@@ -9,7 +9,7 @@ macro(FUZZER name)
   else()
     set_target_properties(${name} PROPERTIES COMPILE_FLAGS "-fsanitize=fuzzer" LINK_FLAGS "-fsanitize=fuzzer")
   endif()
-  target_link_libraries(${name} PRIVATE exiv2lib std::filesystem)
+  target_link_libraries(${name} PRIVATE exiv2lib)
 endmacro()
 
 FUZZER(fuzz-read-print-write)

meson.build

@@ -59,14 +59,6 @@ if not cpp.has_header_symbol('format', 'std::format')
   deps += dependency('fmt')
 endif
 
-if cpp.get_argument_syntax() == 'gcc' and cpp.version().version_compare('<9')
-  if host_machine.system() == 'linux' and cpp.get_define('_LIBCPP_VERSION', prefix: '#include <new>') == ''
-    deps += cpp.find_library('stdc++fs')
-  elif cpp.get_id() == 'clang'
-    deps += cpp.find_library('c++fs')
-  endif
-endif
-
 brotli_dep = dependency('libbrotlidec', disabler: true, required: false)
 if brotli_dep.found()
   deps += brotli_dep

samples/CMakeLists.txt

@@ -116,7 +116,7 @@ foreach(application ${APPLICATIONS})
       target_sources(${application} PRIVATE ${PROJECT_SOURCE_DIR}/app/utf8.rc)
     endif()
   endif()
-  target_link_libraries(${application} PRIVATE exiv2lib std::filesystem)
+  target_link_libraries(${application} PRIVATE exiv2lib)
   if(EXIV2_ENABLE_PNG)
     target_link_libraries(${application} PRIVATE ${ZLIB_LIBRARIES})
     if(MSVC)

unitTests/CMakeLists.txt

@@ -42,7 +42,7 @@ add_executable(
 
 target_compile_definitions(unit_tests PRIVATE exiv2lib_STATIC TESTDATA_PATH="${PROJECT_SOURCE_DIR}/test/data")
 
-target_link_libraries(unit_tests PRIVATE exiv2lib GTest::gmock_main std::filesystem)
+target_link_libraries(unit_tests PRIVATE exiv2lib GTest::gmock_main)
 
 if(NOT EXV_HAVE_STD_FORMAT)
   target_link_libraries(unit_tests PRIVATE fmt::fmt)