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build: Separate shared and static library targets (#1293) 

This splits the target so that we always build static libraries, but
optionally also build shared libraries. This also tweaks the
installation so that the static library is never installed, because it
is not usable without the other internal static library deps. The
headers and pkgconfig will only be installed if we have a shared library
to use them with.
This commit is contained in:
Joey Parrish 2023-10-22 17:46:33 -07:00 committed by GitHub
parent ea311672f1
commit 2038339926
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 46 additions and 17 deletions
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63
packager/CMakeLists.txt
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@ -86,16 +86,9 @@ set(libpackager_sources
app/single_thread_job_manager.h
packager.cc
../include/packager/packager.h
)
)
if(BUILD_SHARED_LIBS)
add_library(libpackager SHARED ${libpackager_sources})
target_compile_definitions(libpackager PUBLIC SHAKA_IMPLEMENTATION)
else()
add_library(libpackager STATIC ${libpackager_sources})
endif()
target_link_libraries(libpackager
set(libpackager_deps
file
hls_builder
media_chunking
@ -117,9 +110,38 @@ target_link_libraries(libpackager
string_utils
version
)
# Avoid liblibpackager on Windows:
# A static library target is always built.
add_library(libpackager_static STATIC ${libpackager_sources})
target_link_libraries(libpackager_static ${libpackager_deps})
# And always installed as libpackager.a:
if(NOT MSVC)
set_property(TARGET libpackager PROPERTY OUTPUT_NAME packager)
set_property(TARGET libpackager_static PROPERTY OUTPUT_NAME packager)
else()
set_property(TARGET libpackager_static PROPERTY OUTPUT_NAME libpackager)
endif()
# A shared library target is conditional (default OFF):
if(BUILD_SHARED_LIBS)
add_library(libpackager_shared SHARED ${libpackager_sources})
target_link_libraries(libpackager_shared ${libpackager_deps})
target_compile_definitions(libpackager_shared PUBLIC SHAKA_IMPLEMENTATION)
# And always installed as libpackager.so / libpackager.dll:
if(NOT MSVC)
set_property(TARGET libpackager_shared PROPERTY OUTPUT_NAME packager)
else()
set_property(TARGET libpackager_shared PROPERTY OUTPUT_NAME libpackager)
endif()
# If we're building a shared library, this is what the "libpackager" target
# aliases to.
add_library(libpackager ALIAS libpackager_shared)
else()
# If we're not building a shared library, the "libpackager" target aliases to
# the static library.
add_library(libpackager ALIAS libpackager_static)
endif()
add_executable(packager
@ -223,15 +245,22 @@ endif()
configure_file(packager.pc.in packager.pc @ONLY)
install(DIRECTORY ../include/packager
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(TARGETS mpd_generator packager libpackager)
# Always install the binaries.
install(TARGETS mpd_generator packager)
# Always install the python tools.
install(PROGRAMS ${CMAKE_BINARY_DIR}/pssh-box.py
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(DIRECTORY ${CMAKE_BINARY_DIR}/pssh-box-protos
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(FILES ${CMAKE_BINARY_DIR}/packager/packager.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
# With shared libraries, also install the library, headers, and pkgconfig.
# The static library isn't usable as a standalone because it doesn't include
# its static dependencies (zlib, absl, etc).
if(BUILD_SHARED_LIBS)
install(TARGETS libpackager_shared)
install(DIRECTORY ../include/packager
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(FILES ${CMAKE_BINARY_DIR}/packager/packager.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
endif()