FindPkgConfig: More unit tests

Tests/RunCMake/FindPkgConfig/FindPkgConfig_NO_PKGCONFIG_PATH.cmake

@@ -0,0 +1,41 @@
+# Needed for CMAKE_SYSTEM_NAME, CMAKE_LIBRARY_ARCHITECTURE and FIND_LIBRARY_USE_LIB64_PATHS
+enable_language(C)
+
+# Prepare environment and variables
+set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH FALSE)
+set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/pc-foo")
+if(WIN32)
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}\\dummy-pkg-config.bat")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}\\pc-bar;X:\\this\\directory\\should\\not\\exist\\in\\the\\filesystem")
+    set(ENV{PKG_CONFIG_PATH} "C:\\baz")
+else()
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}/dummy-pkg-config.sh")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/pc-bar:/this/directory/should/not/exist/in/the/filesystem")
+    set(ENV{PKG_CONFIG_PATH} "/baz")
+endif()
+
+
+find_package(PkgConfig)
+
+if(WIN32)
+  set(expected_path "C:\\baz")
+else()
+  set(expected_path "/baz")
+endif()
+
+
+pkg_check_modules(FOO "${expected_path}")
+
+if(NOT "FOO_FOUND")
+  message(FATAL_ERROR "Expected PKG_CONFIG_PATH: \"${expected_path}\".")
+endif()
+
+
+
+set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH TRUE)
+
+pkg_check_modules(BAR "${expected_path}" NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH)
+
+if(NOT "BAR_FOUND")
+  message(FATAL_ERROR "Expected PKG_CONFIG_PATH: \"${expected_path}\".")
+endif()

Tests/RunCMake/FindPkgConfig/FindPkgConfig_PKGCONFIG_PATH.cmake

@@ -44,7 +44,7 @@ else()
 endif()
 
 
-pkg_check_modules (FOO "${expected_path}")
+pkg_check_modules(FOO "${expected_path}")
 
 if(NOT "FOO_FOUND")
   message(FATAL_ERROR "Expected PKG_CONFIG_PATH: \"${expected_path}\".")

Tests/RunCMake/FindPkgConfig/FindPkgConfig_PKGCONFIG_PATH_NO_CMAKE_ENVIRONMENT_PATH.cmake

@@ -0,0 +1,51 @@
+# Needed for CMAKE_SYSTEM_NAME, CMAKE_LIBRARY_ARCHITECTURE and FIND_LIBRARY_USE_LIB64_PATHS
+enable_language(C)
+
+# Prepare environment and variables
+set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH TRUE)
+set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/pc-foo")
+if(WIN32)
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}\\dummy-pkg-config.bat")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}\\pc-bar;X:\\this\\directory\\should\\not\\exist\\in\\the\\filesystem")
+    set(ENV{PKG_CONFIG_PATH} "C:\\baz")
+else()
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}/dummy-pkg-config.sh")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/pc-bar:/this/directory/should/not/exist/in/the/filesystem")
+    set(ENV{PKG_CONFIG_PATH} "/baz")
+endif()
+
+
+find_package(PkgConfig)
+
+
+if(NOT DEFINED CMAKE_SYSTEM_NAME
+    OR (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$"
+    AND NOT CMAKE_CROSSCOMPILING))
+  if(EXISTS "/etc/debian_version") # is this a debian system ?
+    if(CMAKE_LIBRARY_ARCHITECTURE MATCHES "^(i386-linux-gnu|x86_64-linux-gnu)$")
+      # Cannot create directories for all the existing architectures...
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib/${CMAKE_LIBRARY_ARCHITECTURE}/pkgconfig:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib/pkgconfig")
+    else()
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib/pkgconfig")
+    endif()
+  else()
+    # not debian, chech the FIND_LIBRARY_USE_LIB64_PATHS property
+    get_property(uselib64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
+    if(uselib64)
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib64/pkgconfig:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib/pkgconfig")
+    endif()
+  endif()
+else()
+  if(WIN32)
+    set(expected_path "C:\\baz;${CMAKE_CURRENT_SOURCE_DIR}\\pc-foo\\lib\\pkgconfig")
+  else()
+    set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-foo/lib/pkgconfig")
+  endif()
+endif()
+
+
+pkg_check_modules(FOO "${expected_path}" NO_CMAKE_ENVIRONMENT_PATH)
+
+if(NOT "FOO_FOUND")
+  message(FATAL_ERROR "Expected PKG_CONFIG_PATH: \"${expected_path}\".")
+endif()

Tests/RunCMake/FindPkgConfig/FindPkgConfig_PKGCONFIG_PATH_NO_CMAKE_PATH.cmake

@@ -0,0 +1,51 @@
+# Needed for CMAKE_SYSTEM_NAME, CMAKE_LIBRARY_ARCHITECTURE and FIND_LIBRARY_USE_LIB64_PATHS
+enable_language(C)
+
+# Prepare environment and variables
+set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH TRUE)
+set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_SOURCE_DIR}/pc-foo")
+if(WIN32)
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}\\dummy-pkg-config.bat")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}\\pc-bar;X:\\this\\directory\\should\\not\\exist\\in\\the\\filesystem")
+    set(ENV{PKG_CONFIG_PATH} "C:\\baz")
+else()
+    set(PKG_CONFIG_EXECUTABLE "${CMAKE_CURRENT_SOURCE_DIR}/dummy-pkg-config.sh")
+    set(ENV{CMAKE_PREFIX_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/pc-bar:/this/directory/should/not/exist/in/the/filesystem")
+    set(ENV{PKG_CONFIG_PATH} "/baz")
+endif()
+
+
+find_package(PkgConfig)
+
+
+if(NOT DEFINED CMAKE_SYSTEM_NAME
+    OR (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU)$"
+    AND NOT CMAKE_CROSSCOMPILING))
+  if(EXISTS "/etc/debian_version") # is this a debian system ?
+    if(CMAKE_LIBRARY_ARCHITECTURE MATCHES "^(i386-linux-gnu|x86_64-linux-gnu)$")
+      # Cannot create directories for all the existing architectures...
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib/${CMAKE_LIBRARY_ARCHITECTURE}/pkgconfig:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib/pkgconfig")
+    else()
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib/pkgconfig")
+    endif()
+  else()
+    # not debian, chech the FIND_LIBRARY_USE_LIB64_PATHS property
+    get_property(uselib64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
+    if(uselib64)
+      set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib64/pkgconfig:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib/pkgconfig")
+    endif()
+  endif()
+else()
+  if(WIN32)
+    set(expected_path "C:\\baz;${CMAKE_CURRENT_SOURCE_DIR}\\pc-bar\\lib\\pkgconfig")
+  else()
+    set(expected_path "/baz:${CMAKE_CURRENT_SOURCE_DIR}/pc-bar/lib/pkgconfig")
+  endif()
+endif()
+
+
+pkg_check_modules(FOO "${expected_path}" NO_CMAKE_PATH)
+
+if(NOT "FOO_FOUND")
+  message(FATAL_ERROR "Expected PKG_CONFIG_PATH: \"${expected_path}\".")
+endif()

Tests/RunCMake/FindPkgConfig/RunCMakeTest.cmake

@@ -1,3 +1,6 @@
 include(RunCMake)
 
+run_cmake(FindPkgConfig_NO_PKGCONFIG_PATH)
 run_cmake(FindPkgConfig_PKGCONFIG_PATH)
+run_cmake(FindPkgConfig_PKGCONFIG_PATH_NO_CMAKE_PATH)
+run_cmake(FindPkgConfig_PKGCONFIG_PATH_NO_CMAKE_ENVIRONMENT_PATH)

Tests/RunCMake/FindPkgConfig/dummy-pkg-config.bat

@@ -9,6 +9,8 @@ IF "%1"=="--version" (
 
 IF "%1"=="--exists" (
   SHIFT
+  ECHO Expected: %*
+  ECHO Found:    %PKG_CONFIG_PATH%
   IF NOT "%*"=="%PKG_CONFIG_PATH%" (
     EXIT /B 1
   )

Tests/RunCMake/FindPkgConfig/dummy-pkg-config.sh

@@ -10,8 +10,8 @@ case $1 in
     ;;
   --exists)
     shift
-    echo "$@"
-    echo "${PKG_CONFIG_PATH}"
+    echo "Expected: $@"
+    echo "Found:    ${PKG_CONFIG_PATH}"
     [ "$@" = "${PKG_CONFIG_PATH}" ] || exit 1
     ;;
   *)