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-rw-r--r--CMake/AbseilHelpers.cmake39
-rw-r--r--CMake/abslConfig.cmake.in6
2 files changed, 36 insertions, 9 deletions
diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index 8fdd510f..6d26169d 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -16,6 +16,7 @@
include(CMakeParseArguments)
include(AbseilConfigureCopts)
+include(GNUInstallDirs)
# The IDE folder for Abseil that will be used if Abseil is included in a CMake
# project that sets
@@ -59,20 +60,17 @@ set(ABSL_IDE_FOLDER Abseil)
# "b.cc"
# DEPS
# absl_internal_awesome # not "awesome"!
+# PUBLIC
# )
#
-# If PUBLIC is set, absl_cc_library will instead create a target named
-# absl_${NAME} and still an alias absl::${NAME}.
-#
# absl_cc_library(
# NAME
# main_lib
# ...
-# PUBLIC
+# DEPS
+# absl::fantastic_lib # since fantastic_lib is public
# )
#
-# User can then use the library as absl::main_lib (although absl_main_lib is defined too).
-#
# TODO: Implement "ALWAYSLINK"
function(absl_cc_library)
cmake_parse_arguments(ABSL_CC_LIB
@@ -83,7 +81,7 @@ function(absl_cc_library)
)
if (NOT ABSL_CC_LIB_TESTONLY OR ABSL_RUN_TESTS)
- set(_NAME "absl_${ABSL_CC_LIB_NAME}")
+ set(_NAME "${ABSL_CC_LIB_NAME}")
# Check if this is a header-only library
# Note that as of February 2019, many popular OS's (for example, Ubuntu
@@ -105,7 +103,10 @@ function(absl_cc_library)
add_library(${_NAME} STATIC "")
target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
target_include_directories(${_NAME}
- PUBLIC ${ABSL_COMMON_INCLUDE_DIRS})
+ PUBLIC
+ $<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>
+ $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+ )
target_compile_options(${_NAME}
PRIVATE ${ABSL_CC_LIB_COPTS})
target_link_libraries(${_NAME}
@@ -126,17 +127,37 @@ function(absl_cc_library)
# INTERFACE libraries can't have the CXX_STANDARD property set
set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
+
+ # When being installed, we lose the absl_ prefix. We want to put it back
+ # to have properly named lib files. This is a no-op when we are not being
+ # installed.
+ set_target_properties(${_NAME} PROPERTIES
+ OUTPUT_NAME "absl_${_NAME}"
+ )
else()
# Generating header-only library
add_library(${_NAME} INTERFACE)
target_include_directories(${_NAME}
- INTERFACE ${ABSL_COMMON_INCLUDE_DIRS})
+ INTERFACE
+ $<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>
+ $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+ )
target_link_libraries(${_NAME}
INTERFACE ${ABSL_CC_LIB_DEPS} ${ABSL_CC_LIB_LINKOPTS}
)
target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
endif()
+ # TODO currently we don't install googletest alongside abseil sources, so
+ # installed abseil can't be tested.
+ if (NOT ABSL_CC_LIB_TESTONLY)
+ install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets
+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ )
+ endif()
+
add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME})
endif()
endfunction()
diff --git a/CMake/abslConfig.cmake.in b/CMake/abslConfig.cmake.in
new file mode 100644
index 00000000..bf8c4f6a
--- /dev/null
+++ b/CMake/abslConfig.cmake.in
@@ -0,0 +1,6 @@
+## absl CMake configuration file. Note that there is no corresponding
+# abslConfigVersion.cmake since non-LTS Abseil isn't versioned.
+
+@PACKAGE_INIT@
+
+include ("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake") \ No newline at end of file