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-rw-r--r--CMake/AbseilHelpers.cmake3
-rw-r--r--CMake/README.md79
2 files changed, 54 insertions, 28 deletions
diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index f6243c3b..9e1772bb 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -16,10 +16,9 @@
include(CMakeParseArguments)
-set(_ABSL_HELPERS_PATH "${CMAKE_CURRENT_LIST_DIR}")
#
-# create a static library absl_based on the following variable
+# create a library in the absl namespace
#
# parameters
# SOURCES : sources files for the library
diff --git a/CMake/README.md b/CMake/README.md
index 53d3d335..ea56b6da 100644
--- a/CMake/README.md
+++ b/CMake/README.md
@@ -4,37 +4,64 @@
### Recommended usage : incorporate Abseil into an CMake project
- We recommended to build and use abseil in the same way than googletest
- ( https://github.com/google/googletest/blob/master/googletest/README.md )
+ For API / ABI compatibility reasons, it is recommended to build
+ and use abseil in a subdirectory of your project or as an embedded
+ dependency
- * Download abseil and copy it in a sub-directory in your project.
+ This is similar to the recommended usage of the googletest framework
+ ( https://github.com/google/googletest/blob/master/googletest/README.md )
- * Or add abseil as a git-submodule in your project
+ Build and use step-by-step
- You can then use the cmake `add_subdirectory()` command to include
- abseil directly and use the abseil targets in your project.
- Abseil requires CCTZ and the googletest framework. Consequently,
+ 1- Download abseil and copy it in a sub-directory in your project.
+ or add abseil as a git-submodule in your project
+
+ 2- If not done yet, download and copy in your project the two dependencies of
+ abseil `cctz` and `googletest`
+
+ * cctz https://github.com/google/cctz
+ * googletest https://github.com/google/googletest
+
+ 3- You can then use the cmake command `add_subdirectory()` to include
+ abseil directly and use the abseil targets in your project.
+
+ Note: Abseil requires CCTZ and the googletest framework. Consequently,
the targets `gtest`, `gtest_main`, `gmock` and `cctz` need
- to be declared in your project before including abseil with `add_subdirectory`.
- You can find instructions on how to get and build these projects at these
- URL :
- * cctz https://github.com/google/cctz
- * googletest https://github.com/google/googletest
-
-
-
- Here is a short CMakeLists.txt example of a possible project file
- using abseil
-
- project(my_project)
-
- add_subdirectory(googletest)
- add_subdirectory(cctz)
- add_subdirectory(abseil-cpp)
-
- add_executable(my_exe source.cpp)
- target_link_libraries(my_exe base synchronization strings)
+ to be declared in your project before including abseil with `add_subdirectory`.
+
+
+ 4- Add the absl:: target you wish to use to the `target_link_libraries()`
+ section of your executable or of your library
+
+
+ Here is a short CMakeLists.txt example of a possible project file
+ using abseil
+
+ project(my_project)
+
+ add_subdirectory(googletest)
+ add_subdirectory(cctz)
+ add_subdirectory(abseil-cpp)
+
+ add_executable(my_exe source.cpp)
+ target_link_libraries(my_exe absl::base absl::synchronization absl::strings)
+
+
+ You will find here a non exhaustive list of absl public targets
+
+ absl::base
+ absl::algorithm
+ absl::container
+ absl::debugging
+ absl::memory
+ absl::meta
+ absl::numeric
+ absl::strings
+ absl::synchronization
+ absl::time
+ absl::utility
+