FindFontconfig: Add module to find Fontconfig

This module is inspired by one from KDE's KWin.

3 files changed, 43 insertions, 0 deletions

diff --git a/Tests/FindFontconfig/CMakeLists.txt b/Tests/FindFontconfig/CMakeLists.txt
new file mode 100644
index 0000000..d683d87
--- /dev/null
+++ b/Tests/FindFontconfig/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindFontconfig.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindFontconfig/Test"
+  "${CMake_BINARY_DIR}/Tests/FindFontconfig/Test"
+  ${build_generator_args}
+  --build-project TestFindFontconfig
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindFontconfig/Test/CMakeLists.txt b/Tests/FindFontconfig/Test/CMakeLists.txt
new file mode 100644
index 0000000..81db3ba
--- /dev/null
+++ b/Tests/FindFontconfig/Test/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.10)
+project(TestFindFontconfig C)
+include(CTest)
+
+find_package(Fontconfig REQUIRED)
+
+add_definitions(-DCMAKE_EXPECTED_FONTCONFIG_VERSION="${FONTCONFIG_VERSION}")
+
+add_executable(test_tgt main.c)
+target_link_libraries(test_tgt Fontconfig::Fontconfig)
+add_test(NAME test_tgt COMMAND test_tgt)
+
+add_executable(test_var main.c)
+target_include_directories(test_var PRIVATE ${FONTCONFIG_INCLUDE_DIRS})
+target_link_libraries(test_var PRIVATE ${FONTCONFIG_LIBRARIES})
+add_test(NAME test_var COMMAND test_var)
diff --git a/Tests/FindFontconfig/Test/main.c b/Tests/FindFontconfig/Test/main.c
new file mode 100644
index 0000000..c5b5963
--- /dev/null
+++ b/Tests/FindFontconfig/Test/main.c
@@ -0,0 +1,17 @@
+#include <assert.h>
+#include <fontconfig/fontconfig.h>
+#include <stdio.h>
+#include <string.h>
+
+int main()
+{
+  FcInit();
+  printf("Found Fontconfig.\n");
+
+  char fontconfig_version_string[16];
+  snprintf(fontconfig_version_string, 16, "%i.%i.%i", FC_MAJOR, FC_MINOR,
+           FC_REVISION);
+  assert(
+    strcmp(fontconfig_version_string, CMAKE_EXPECTED_FONTCONFIG_VERSION) == 0);
+  return 0;
+}