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authorBrad King <brad.king@kitware.com>2013-10-18 15:25:49 (GMT)
committerBrad King <brad.king@kitware.com>2013-10-23 12:54:31 (GMT)
commit7d47c693650672afabc46bd200246eb9130582d6 (patch)
tree0a1ad731d0622c629584a6518e124dfb8e7b5661 /Modules
parentc7c44fc7f4a32163b9fd82e5560fa35df60d2fb4 (diff)
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Drop compatibility with CMake < 2.4
Drop all behavior activated by setting CMAKE_BACKWARDS_COMPATIBILITY to a value lower than 2.4, and generate an error when projects or the user attempt to do so. In the error suggest using a CMake 2.8.x release. Teach cmake_minimum_required to warn about projects that do not require at least CMake 2.4. They are not supported by CMake >= 3.0. Replace the documentation of CMAKE_BACKWARDS_COMPATIBILITY with a reference to policy CMP0001.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/Platform/Darwin-icc.cmake6
-rw-r--r--Modules/Platform/Darwin.cmake5
2 files changed, 0 insertions, 11 deletions
diff --git a/Modules/Platform/Darwin-icc.cmake b/Modules/Platform/Darwin-icc.cmake
index 6a46f8e..0fab9a1 100644
--- a/Modules/Platform/Darwin-icc.cmake
+++ b/Modules/Platform/Darwin-icc.cmake
@@ -60,12 +60,6 @@ if(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
CACHE STRING "Build architectures for OSX")
endif()
-
-if("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
- set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
- "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")
-endif()
-
if(NOT XCODE)
# Enable shared library versioning. This flag is not actually referenced
# but the fact that the setting exists will cause the generators to support
diff --git a/Modules/Platform/Darwin.cmake b/Modules/Platform/Darwin.cmake
index 8ab3e2c..f3ec441 100644
--- a/Modules/Platform/Darwin.cmake
+++ b/Modules/Platform/Darwin.cmake
@@ -223,11 +223,6 @@ if(CMAKE_OSX_DEPLOYMENT_TARGET)
endif()
endif()
-if("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
- set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
- "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")
-endif()
-
# Enable shared library versioning.
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")