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BSD: Do not require dlfcn.h to build shared libs (#13573) 

Remove ancient checks left from commit f5d95fb0 (Complete rework of
makefile generators expect trouble, 2002-11-08).  Modern FreeBSD and
NetBSD platforms support shared libraries.  When cross-compiling the
/usr/include/dlfcn.h may not exist on the host but the toolchain still
supports shared libraries.
This commit is contained in:
Brad King 2012-10-05 10:08:04 -04:00
parent 60b59a54c1
commit 6f68ef426e
2 changed files with 22 additions and 26 deletions
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24
Modules/Platform/FreeBSD.cmake
View File

@ -1,16 +1,14 @@
if(EXISTS /usr/include/dlfcn.h)
set(CMAKE_DL_LIBS "")
set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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")
endif()
set(CMAKE_DL_LIBS "")
set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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")
# Shared libraries with no builtin soname may not be linked safely by
# specifying the file path.

24
Modules/Platform/NetBSD.cmake
View File

@ -1,15 +1,13 @@
if(EXISTS /usr/include/dlfcn.h)
set(CMAKE_DL_LIBS "")
set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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")
endif()
set(CMAKE_DL_LIBS "")
set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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")
include(Platform/UnixPaths)