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Add options ENABLE_STATIC and ENABLE_SHARED. 

Stick a cautious toe in the water of CMake options, and add enabling/disabling shared/static library builds, because that's easy.
This commit is contained in:
Jim Hague 2019-10-24 10:51:28 +01:00
parent d447999c60
commit 60eb113770
1 changed files with 78 additions and 62 deletions
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26
CMakeLists.txt
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@ -110,6 +110,12 @@ else ()
endif () endif ()
# Options. # Options.
option(ENABLE_SHARED "build shared libraries" ON)
option(ENABLE_STATIC "build static libraries" ON)
if ((NOT ENABLE_SHARED) AND (NOT ENABLE_STATIC))
message(FATAL_ERROR "You must build either static or shared libraries.")
endif ()
set(DNSSEC_ROADBLOCK_AVOIDANCE 1) # Nail on, as build fails if off. set(DNSSEC_ROADBLOCK_AVOIDANCE 1) # Nail on, as build fails if off.
set(STUB_NATIVE_DNSSEC 1) # Nail on for now. set(STUB_NATIVE_DNSSEC 1) # Nail on for now.
set(MAXIMUM_UPSTREAM_OPTION_SPACE 3000) set(MAXIMUM_UPSTREAM_OPTION_SPACE 3000)
@ -465,6 +471,7 @@ set_property(TARGET getdns_objects PROPERTY POSITION_INDEPENDENT_CODE 1)
set_property(TARGET getdns_objects PROPERTY C_STANDARD 11) set_property(TARGET getdns_objects PROPERTY C_STANDARD 11)
# Static library version of main library. # Static library version of main library.
if (ENABLE_STATIC)
add_library(getdns STATIC $<TARGET_OBJECTS:getdns_objects>) add_library(getdns STATIC $<TARGET_OBJECTS:getdns_objects>)
target_include_directories(getdns PUBLIC target_include_directories(getdns PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>" "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
@ -477,8 +484,10 @@ target_link_libraries(getdns
${getdns_system_libs} ${getdns_system_libs}
) )
set_target_properties(getdns PROPERTIES OUTPUT_NAME getdns${static_lib_suffix}) set_target_properties(getdns PROPERTIES OUTPUT_NAME getdns${static_lib_suffix})
endif ()
# Shared library version of main library. # Shared library version of main library.
if (ENABLE_SHARED)
add_library(getdns_shared SHARED $<TARGET_OBJECTS:getdns_objects>) add_library(getdns_shared SHARED $<TARGET_OBJECTS:getdns_objects>)
target_include_directories(getdns_shared PUBLIC target_include_directories(getdns_shared PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>" "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>"
@ -492,6 +501,10 @@ target_link_libraries(getdns_shared
) )
set_target_properties(getdns_shared PROPERTIES OUTPUT_NAME getdns) set_target_properties(getdns_shared PROPERTIES OUTPUT_NAME getdns)
if (NOT ENABLE_STATIC)
add_library(getdns ALIAS getdns_shared)
endif ()
# Generate platform-specific link file with the export symbols. # Generate platform-specific link file with the export symbols.
file(STRINGS src/libgetdns.symbols symbols) file(STRINGS src/libgetdns.symbols symbols)
if (WIN32) if (WIN32)
@ -528,6 +541,7 @@ else ()
math(EXPR compat_version "${GETDNS_VERSION_CURRENT}-${GETDNS_VERSION_AGE}") math(EXPR compat_version "${GETDNS_VERSION_CURRENT}-${GETDNS_VERSION_AGE}")
set_target_properties(getdns_shared PROPERTIES VERSION "${compat_version}.${GETDNS_VERSION_AGE}.${GETDNS_VERSION_REVISION}" SOVERSION "${compat_version}") set_target_properties(getdns_shared PROPERTIES VERSION "${compat_version}.${GETDNS_VERSION_AGE}.${GETDNS_VERSION_REVISION}" SOVERSION "${compat_version}")
endif () endif ()
endif ()
# The tools. # The tools.
@ -635,11 +649,13 @@ set(prefix ${CMAKE_INSTALL_PREFIX})
configure_file(getdns.pc.in getdns.pc @ONLY) configure_file(getdns.pc.in getdns.pc @ONLY)
# Installing. # Installing.
install(TARGETS getdns getdns_shared getdns_query getdns_server_mon if (ENABLE_STATIC)
RUNTIME DESTINATION bin install(TARGETS getdns LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
LIBRARY DESTINATION lib endif ()
ARCHIVE DESTINATION lib if (ENABLE_SHARED)
) install(TARGETS getdns_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
endif ()
install(TARGETS getdns_query getdns_server_mon RUNTIME DESTINATION bin)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/getdns DESTINATION include) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/getdns DESTINATION include)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/man3 DESTINATION share/man) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/man3 DESTINATION share/man)