CheckSoureCompiles: Add a unified way to check if a source compiles

14 files changed, 119 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index ff0ae62..a8b76b4 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -534,6 +534,7 @@ add_RunCMake_test(target_compile_features)
 add_RunCMake_test(target_compile_options -DCMAKE_C_COMPILER_ID=${CMAKE_C_COMPILER_ID})
 add_RunCMake_test(target_include_directories)
 add_RunCMake_test(target_sources)
+add_RunCMake_test(CheckSourceCompiles)
 add_RunCMake_test(CheckModules)
 add_RunCMake_test(CheckIPOSupported)
 if (CMAKE_SYSTEM_NAME MATCHES "(Linux|Darwin)"
@@ -542,6 +543,7 @@ if (CMAKE_SYSTEM_NAME MATCHES "(Linux|Darwin)"
                                     -DCMAKE_Fortran_COMPILER_ID=${CMAKE_Fortran_COMPILER_ID})
 endif()
 
+
 add_RunCMake_test(CommandLine -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME} -DCYGWIN=${CYGWIN} -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE})
 add_RunCMake_test(CommandLineTar)
 
diff --git a/Tests/RunCMake/CheckSourceCompiles/CMakeLists.txt b/Tests/RunCMake/CheckSourceCompiles/CMakeLists.txt
new file mode 100644
index 0000000..0421e28
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.13)
+
+project(${RunCMake_TEST} LANGUAGES NONE)
+
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CheckSourceCompiles/CheckCSourceCompiles.cmake b/Tests/RunCMake/CheckSourceCompiles/CheckCSourceCompiles.cmake
new file mode 100644
index 0000000..cf46189
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CheckCSourceCompiles.cmake
@@ -0,0 +1,13 @@
+
+enable_language (C)
+include(CheckSourceCompiles)
+
+check_source_compiles(C "I don't build" SHOULD_FAIL)
+if(SHOULD_FAIL)
+  message(SEND_ERROR "invalid C source didn't fail.")
+endif()
+
+check_source_compiles(C "int main() {return 0;}" SHOULD_BUILD)
+if(NOT SHOULD_BUILD)
+  message(SEND_ERROR "Test fail for valid C source.")
+endif()
diff --git a/Tests/RunCMake/CheckSourceCompiles/CheckCXXSourceCompiles.cmake b/Tests/RunCMake/CheckSourceCompiles/CheckCXXSourceCompiles.cmake
new file mode 100644
index 0000000..ec01d42
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CheckCXXSourceCompiles.cmake
@@ -0,0 +1,26 @@
+
+enable_language (CXX)
+include(CheckSourceCompiles)
+
+check_source_compiles(CXX "I don't build" SHOULD_FAIL)
+if(SHOULD_FAIL)
+  message(SEND_ERROR "invalid CXX source didn't fail.")
+endif()
+
+check_source_compiles(CXX [=[
+  #include <vector>
+  int main() {
+    return 0;
+  }
+]=]
+ SHOULD_BUILD)
+if(NOT SHOULD_BUILD)
+  message(SEND_ERROR "Test fail for valid CXX source.")
+endif()
+
+check_source_compiles(CXX "void l(char const (&x)[2]){}; int main() { l(\"\\n\"); return 0;}"
+ SHOULD_BUILD_COMPLEX)
+
+if(NOT SHOULD_BUILD_COMPLEX)
+  message(SEND_ERROR "Test fail for valid CXX complex source.")
+endif()
diff --git a/Tests/RunCMake/CheckSourceCompiles/CheckFortranSourceCompiles.cmake b/Tests/RunCMake/CheckSourceCompiles/CheckFortranSourceCompiles.cmake
new file mode 100644
index 0000000..1d4e16d
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CheckFortranSourceCompiles.cmake
@@ -0,0 +1,14 @@
+
+
+enable_language (Fortran)
+include(CheckSourceCompiles)
+
+check_source_compiles(Fortran [=[
+      PROGRAM TEST_HAVE_PRINT
+        PRINT *, 'Hello'
+      END
+]=] SHOULD_BUILD)
+
+if(NOT SHOULD_BUILD)
+  message(SEND_ERROR "Test fail for valid Fortran source.")
+endif()
diff --git a/Tests/RunCMake/CheckSourceCompiles/CheckOBJCSourceCompiles.cmake b/Tests/RunCMake/CheckSourceCompiles/CheckOBJCSourceCompiles.cmake
new file mode 100644
index 0000000..2f53cfc4
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CheckOBJCSourceCompiles.cmake
@@ -0,0 +1,14 @@
+enable_language (OBJC)
+include(CheckSourceCompiles)
+
+check_source_compiles(OBJC [[
+  #import <Foundation/Foundation.h>
+  int main() {
+    NSObject *foo;
+    return 0;
+  }
+]] SHOULD_BUILD)
+
+if(NOT SHOULD_BUILD)
+  message(SEND_ERROR "Test fail for valid OBJC source.")
+endif()
diff --git a/Tests/RunCMake/CheckSourceCompiles/CheckOBJCXXSourceCompiles.cmake b/Tests/RunCMake/CheckSourceCompiles/CheckOBJCXXSourceCompiles.cmake
new file mode 100644
index 0000000..805d513
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/CheckOBJCXXSourceCompiles.cmake
@@ -0,0 +1,17 @@
+enable_language (OBJCXX)
+include(CheckSourceCompiles)
+
+check_source_compiles(OBJCXX [[
+  #include <vector>
+  #import <Foundation/Foundation.h>
+  int main() {
+    std::vector<int> v;
+    NSObject *foo;
+    return 0;
+  }
+]] SHOULD_BUILD)
+
+
+if(NOT SHOULD_BUILD)
+  message(SEND_ERROR "Test fail for OBJCXX source.")
+endif()
diff --git a/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-result.txt b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-stderr.txt b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-stderr.txt
new file mode 100644
index 0000000..bf2ea82
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error at .*CheckSourceCompiles\.cmake:[0-9]+ \(message\):
+  check_source_compiles: FAKE_LANG: unknown language.
diff --git a/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage.cmake b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage.cmake
new file mode 100644
index 0000000..fc7de06
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NonExistentLanguage.cmake
@@ -0,0 +1,3 @@
+
+include(CheckSourceCompiles)
+check_source_compiles(FAKE_LANG "int main() {return 0;}" SHOULD_BUILD)
diff --git a/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-result.txt b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-stderr.txt b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-stderr.txt
new file mode 100644
index 0000000..ebc983a
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error at .*CheckSourceCompiles\.cmake:[0-9]+ \(message\):
+  check_source_compiles: C: needs to be enabled before use.
diff --git a/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage.cmake b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage.cmake
new file mode 100644
index 0000000..dec0db3
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/NotEnabledLanguage.cmake
@@ -0,0 +1,3 @@
+
+include(CheckSourceCompiles)
+check_source_compiles(C "int main() {return 0;}" SHOULD_BUILD)
diff --git a/Tests/RunCMake/CheckSourceCompiles/RunCMakeTest.cmake b/Tests/RunCMake/CheckSourceCompiles/RunCMakeTest.cmake
new file mode 100644
index 0000000..bf32828
--- /dev/null
+++ b/Tests/RunCMake/CheckSourceCompiles/RunCMakeTest.cmake
@@ -0,0 +1,16 @@
+include(RunCMake)
+
+run_cmake(NotEnabledLanguage)
+run_cmake(NonExistentLanguage)
+
+run_cmake(CheckCSourceCompiles)
+run_cmake(CheckCXXSourceCompiles)
+
+if (APPLE)
+  run_cmake(CheckOBJCSourceCompiles)
+  run_cmake(CheckOBJCXXSourceCompiles)
+endif()
+
+if (CMAKE_Fortran_COMPILER_ID)
+  run_cmake(CheckFortranSourceCompiles)
+endif()