Merge topic 'add-CheckIPOSupported-module'

6c832674 Tests for 'CheckIPOSupported' module
fdb2ba25 CheckIPOSupported: New module to check for compiler/cmake IPO support

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !558

22 files changed, 89 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 5157b9f..217f0d5 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -293,6 +293,7 @@ add_RunCMake_test(target_link_libraries)
 
 add_RunCMake_test(target_compile_features)
 add_RunCMake_test(CheckModules)
+add_RunCMake_test(CheckIPOSupported)
 add_RunCMake_test(CommandLine -DCMAKE_SYSTEM_NAME=${CMAKE_SYSTEM_NAME})
 add_RunCMake_test(CommandLineTar)
 
diff --git a/Tests/RunCMake/CheckIPOSupported/CMakeLists.txt b/Tests/RunCMake/CheckIPOSupported/CMakeLists.txt
new file mode 100644
index 0000000..a0effc9
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/CMakeLists.txt
@@ -0,0 +1,4 @@
+cmake_minimum_required(VERSION 3.0)
+project(${RunCMake_TEST} NONE)
+include(CheckIPOSupported)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CheckIPOSupported/RunCMakeTest.cmake b/Tests/RunCMake/CheckIPOSupported/RunCMakeTest.cmake
new file mode 100644
index 0000000..e304c61
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/RunCMakeTest.cmake
@@ -0,0 +1,9 @@
+include(RunCMake)
+
+run_cmake(unparsed-arguments)
+run_cmake(user-lang-unknown)
+run_cmake(user-lang-fortran)
+run_cmake(default-lang-none)
+run_cmake(not-supported-by-cmake)
+run_cmake(not-supported-by-compiler)
+run_cmake(save-to-result)
diff --git a/Tests/RunCMake/CheckIPOSupported/default-lang-none-result.txt b/Tests/RunCMake/CheckIPOSupported/default-lang-none-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/default-lang-none-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/default-lang-none-stderr.txt b/Tests/RunCMake/CheckIPOSupported/default-lang-none-stderr.txt
new file mode 100644
index 0000000..dc2c3ad
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/default-lang-none-stderr.txt
@@ -0,0 +1,7 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  IPO is not supported \(no C/CXX/Fortran languages found in ENABLED_LANGUAGES
+  global property\)\.
+Call Stack \(most recent call first\):
+  .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(_ipo_not_supported\)
+  default-lang-none\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/default-lang-none.cmake b/Tests/RunCMake/CheckIPOSupported/default-lang-none.cmake
new file mode 100644
index 0000000..0a2ac69
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/default-lang-none.cmake
@@ -0,0 +1 @@
+check_ipo_supported()
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-result.txt b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-stderr.txt b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-stderr.txt
new file mode 100644
index 0000000..f63f30f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake-stderr.txt
@@ -0,0 +1,6 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  IPO is not supported \(CMake doesn't support IPO for current compiler\)\.
+Call Stack \(most recent call first\):
+  .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(_ipo_not_supported\)
+  not-supported-by-cmake\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake.cmake b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake.cmake
new file mode 100644
index 0000000..6f61f7e
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-cmake.cmake
@@ -0,0 +1,3 @@
+project(${RunCMake_TEST} LANGUAGES C)
+set(_CMAKE_IPO_SUPPORTED_BY_CMAKE NO)
+check_ipo_supported()
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-result.txt b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-stderr.txt b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-stderr.txt
new file mode 100644
index 0000000..73e2f26
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler-stderr.txt
@@ -0,0 +1,6 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  IPO is not supported \(compiler doesn't support IPO\)\.
+Call Stack \(most recent call first\):
+  .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(_ipo_not_supported\)
+  not-supported-by-compiler\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler.cmake b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler.cmake
new file mode 100644
index 0000000..652cfd5
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/not-supported-by-compiler.cmake
@@ -0,0 +1,4 @@
+project(${RunCMake_TEST} LANGUAGES C)
+set(_CMAKE_IPO_SUPPORTED_BY_CMAKE YES)
+set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
+check_ipo_supported()
diff --git a/Tests/RunCMake/CheckIPOSupported/save-to-result.cmake b/Tests/RunCMake/CheckIPOSupported/save-to-result.cmake
new file mode 100644
index 0000000..f76db72
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/save-to-result.cmake
@@ -0,0 +1,22 @@
+project(${RunCMake_TEST} LANGUAGES C)
+check_ipo_supported(RESULT result OUTPUT output)
+
+string(COMPARE EQUAL "${result}" "" is_empty)
+if(is_empty)
+  message(FATAL_ERROR "Result variable is empty")
+endif()
+
+string(COMPARE EQUAL "${result}" "YES" is_yes)
+string(COMPARE EQUAL "${result}" "NO" is_no)
+
+if(is_yes)
+  # Compiler supports IPO
+elseif(is_no)
+  # Compiler doesn't support IPO, output should not be empty.
+  string(COMPARE EQUAL "${output}" "" is_empty)
+  if(is_empty)
+    message(FATAL_ERROR "Output is empty")
+  endif()
+else()
+  message(FATAL_ERROR "Unexpected result: ${result}")
+endif()
diff --git a/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-result.txt b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-stderr.txt b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-stderr.txt
new file mode 100644
index 0000000..a3fee53
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments-stderr.txt
@@ -0,0 +1,5 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  Unparsed arguments: xxx
+Call Stack \(most recent call first\):
+  unparsed-arguments\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/unparsed-arguments.cmake b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments.cmake
new file mode 100644
index 0000000..3ee7326
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/unparsed-arguments.cmake
@@ -0,0 +1 @@
+check_ipo_supported(RESULT result OUTPUT output xxx)
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-result.txt b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-stderr.txt b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-stderr.txt
new file mode 100644
index 0000000..2cb595d
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran-stderr.txt
@@ -0,0 +1,6 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  IPO is not supported \(Fortran is not supported\)\.
+Call Stack \(most recent call first\):
+  .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(_ipo_not_supported\)
+  user-lang-fortran\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-fortran.cmake b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran.cmake
new file mode 100644
index 0000000..275dbd9
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-fortran.cmake
@@ -0,0 +1 @@
+check_ipo_supported(LANGUAGES "Fortran")
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-result.txt b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-stderr.txt b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-stderr.txt
new file mode 100644
index 0000000..278ba0b
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown-stderr.txt
@@ -0,0 +1,6 @@
+^CMake Error at .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(message\):
+  IPO is not supported \(language\(s\) 'UnknownLanguage' not supported\)\.
+Call Stack \(most recent call first\):
+  .*/Modules/CheckIPOSupported\.cmake:[0-9]+ \(_ipo_not_supported\)
+  user-lang-unknown\.cmake:[0-9]+ \(check_ipo_supported\)
+  CMakeLists\.txt:[0-9]+ \(include\)$
diff --git a/Tests/RunCMake/CheckIPOSupported/user-lang-unknown.cmake b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown.cmake
new file mode 100644
index 0000000..ac743ad
--- /dev/null
+++ b/Tests/RunCMake/CheckIPOSupported/user-lang-unknown.cmake
@@ -0,0 +1 @@
+check_ipo_supported(LANGUAGES UnknownLanguage)