CheckIPOSupported: New module to check for compiler/cmake IPO support

6 files changed, 36 insertions, 0 deletions

diff --git a/Modules/CheckIPOSupported/CMakeLists-C.txt.in b/Modules/CheckIPOSupported/CMakeLists-C.txt.in
new file mode 100644
index 0000000..d20f31f
--- /dev/null
+++ b/Modules/CheckIPOSupported/CMakeLists-C.txt.in
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION "@CMAKE_VERSION@")
+project("@TRY_COMPILE_PROJECT_NAME@" LANGUAGES C)
+
+# TODO: IPO policy
+
+add_library(foo foo.c)
+add_executable(boo main.c)
+target_link_libraries(boo PUBLIC foo)
diff --git a/Modules/CheckIPOSupported/CMakeLists-CXX.txt.in b/Modules/CheckIPOSupported/CMakeLists-CXX.txt.in
new file mode 100644
index 0000000..4b55c70
--- /dev/null
+++ b/Modules/CheckIPOSupported/CMakeLists-CXX.txt.in
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION "@CMAKE_VERSION@")
+project("@TRY_COMPILE_PROJECT_NAME@" LANGUAGES CXX)
+
+# TODO: IPO policy
+
+add_library(foo foo.cpp)
+add_executable(boo main.cpp)
+target_link_libraries(boo PUBLIC foo)
diff --git a/Modules/CheckIPOSupported/foo.c b/Modules/CheckIPOSupported/foo.c
new file mode 100644
index 0000000..1e56597
--- /dev/null
+++ b/Modules/CheckIPOSupported/foo.c
@@ -0,0 +1,4 @@
+int foo()
+{
+  return 0x42;
+}
diff --git a/Modules/CheckIPOSupported/foo.cpp b/Modules/CheckIPOSupported/foo.cpp
new file mode 100644
index 0000000..1e56597
--- /dev/null
+++ b/Modules/CheckIPOSupported/foo.cpp
@@ -0,0 +1,4 @@
+int foo()
+{
+  return 0x42;
+}
diff --git a/Modules/CheckIPOSupported/main.c b/Modules/CheckIPOSupported/main.c
new file mode 100644
index 0000000..5be0864
--- /dev/null
+++ b/Modules/CheckIPOSupported/main.c
@@ -0,0 +1,6 @@
+int foo();
+
+int main()
+{
+  return foo();
+}
diff --git a/Modules/CheckIPOSupported/main.cpp b/Modules/CheckIPOSupported/main.cpp
new file mode 100644
index 0000000..5be0864
--- /dev/null
+++ b/Modules/CheckIPOSupported/main.cpp
@@ -0,0 +1,6 @@
+int foo();
+
+int main()
+{
+  return foo();
+}