InstallRules: added new variable to disable generation of install rules

The boolean variable CMAKE_SKIP_INSTALL_RULES
allows disabling generation of install rules for projects which don't
want them.

3 files changed, 44 insertions, 0 deletions

diff --git a/Tests/MissingInstall/CMakeLists.txt b/Tests/MissingInstall/CMakeLists.txt
new file mode 100644
index 0000000..91624f7
--- /dev/null
+++ b/Tests/MissingInstall/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required (VERSION 2.8.12)
+project(TestMissingInstall)
+
+set(CMAKE_SKIP_INSTALL_RULES ON)
+
+# Skip the dependency that causes a build when installing.  This
+# avoids infinite loops when the post-build rule below installs.
+set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY 1)
+set(CMAKE_SKIP_PACKAGE_ALL_DEPENDENCY 1)
+
+if(CMAKE_CONFIGURATION_TYPES)
+  set(MULTI_CONFIG ON)
+else()
+  set(MULTI_CONFIG OFF)
+endif()
+
+add_executable(mybin mybin.cpp)
+install(TARGETS mybin RUNTIME DESTINATION bin)
+
+add_custom_command(TARGET mybin
+  POST_BUILD
+  COMMAND ${CMAKE_COMMAND} "-DMULTI_CONFIG=${MULTI_CONFIG}"
+    -P ${CMAKE_CURRENT_SOURCE_DIR}/ExpectInstallFail.cmake
+  COMMENT "Install Project"
+)
diff --git a/Tests/MissingInstall/ExpectInstallFail.cmake b/Tests/MissingInstall/ExpectInstallFail.cmake
new file mode 100644
index 0000000..3d677bf
--- /dev/null
+++ b/Tests/MissingInstall/ExpectInstallFail.cmake
@@ -0,0 +1,18 @@
+if(MULTI_CONFIG)
+  set(SI_CONFIG --config $<CONFIGURATION>)
+else()
+  set(SI_CONFIG)
+endif()
+
+execute_process(
+  COMMAND ${CMAKE_COMMAND}
+    --build .
+    --target install ${SI_CONFIG}
+  RESULT_VARIABLE RESULT
+  OUTPUT_VARIABLE OUTPUT
+  ERROR_VARIABLE ERROR
+)
+
+if(RESULT EQUAL 0)
+  message(FATAL_ERROR "install should have failed")
+endif()
diff --git a/Tests/MissingInstall/mybin.cpp b/Tests/MissingInstall/mybin.cpp
new file mode 100644
index 0000000..237c8ce
--- /dev/null
+++ b/Tests/MissingInstall/mybin.cpp
@@ -0,0 +1 @@
+int main() {}