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Platform/GNU: Add Debian shared library permissions policy

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Copy the `CMAKE_INSTALL_SO_NO_EXE` setting from `Platform/Linux`.

Fixes: #18376
This commit is contained in:
Svante Signell
2018-10-03 11:50:10 -04:00
committed by Brad King
parent fd02538974
commit c990649b8c
1 changed files with 27 additions and 0 deletions
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27
Modules/Platform/GNU.cmake
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@@ -8,6 +8,33 @@ set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
# Debian policy requires that shared libraries be installed without
# executable permission. Fedora policy requires that shared libraries
# be installed with the executable permission. Since the native tools
# create shared libraries with execute permission in the first place a
# reasonable policy seems to be to install with execute permission by
# default. In order to support debian packages we provide an option
# here. The option default is based on the current distribution, but
# packagers can set it explicitly on the command line.
if(DEFINED CMAKE_INSTALL_SO_NO_EXE)
# Store the decision variable in the cache. This preserves any
# setting the user provides on the command line.
set(CMAKE_INSTALL_SO_NO_EXE "${CMAKE_INSTALL_SO_NO_EXE}" CACHE INTERNAL
"Install .so files without execute permission.")
else()
# Store the decision variable as an internal cache entry to avoid
# checking the platform every time. This option is advanced enough
# that only package maintainers should need to adjust it. They are
# capable of providing a setting on the command line.
if(EXISTS "/etc/debian_version")
set(CMAKE_INSTALL_SO_NO_EXE 1 CACHE INTERNAL
"Install .so files without execute permission.")
else()
set(CMAKE_INSTALL_SO_NO_EXE 0 CACHE INTERNAL
"Install .so files without execute permission.")
endif()
endif()
set(CMAKE_LIBRARY_ARCHITECTURE_REGEX "[a-z0-9_]+(-[a-z0-9_]+)?-gnu[a-z0-9_]*")
include(Platform/UnixPaths)