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authorPhilip Lowman <philip@yhbt.com>2009-09-21 00:12:39 (GMT)
committerPhilip Lowman <philip@yhbt.com>2009-09-21 00:12:39 (GMT)
commit301c038aebcf2fadc9aeaf5f5a9b65eeebe546ef (patch)
tree2b4bfd8ff94d64b5514f70daa8a9c1a0418e6b91
parent9c2a38b836633c6b91e64f8ba9e7105b3f4afaf2 (diff)
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[NEW Module] Find and use Google's Protocol Buffers library & compiler
-rw-r--r--Modules/FindProtobuf.cmake106
1 files changed, 106 insertions, 0 deletions
diff --git a/Modules/FindProtobuf.cmake b/Modules/FindProtobuf.cmake
new file mode 100644
index 0000000..d0ea2b7
--- /dev/null
+++ b/Modules/FindProtobuf.cmake
@@ -0,0 +1,106 @@
+# Locate and configure the Google Protocol Buffers library.
+# Defines the following variables:
+#
+# PROTOBUF_FOUND - Found the Google Protocol Buffers library
+# PROTOBUF_INCLUDE_DIRS - Include directories for Google Protocol Buffers
+# PROTOBUF_LIBRARIES - The protobuf library
+#
+# The following cache variables are also defined:
+# PROTOBUF_LIBRARY - The protobuf library
+# PROTOBUF_PROTOC_LIBRARY - The protoc library
+# PROTOBUF_INCLUDE_DIR - The include directory for protocol buffers
+# PROTOBUF_PROTOC_EXECUTABLE - The protoc compiler
+#
+# Esben Mose Hansen <[EMAIL PROTECTED]>, (c) Ange Optimization ApS 2008
+# Adapted by Philip Lowman <philip@yhbt.com> (c) 2009
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+#====================================================================
+# Example:
+#
+# find_package(Protobuf REQUIRED)
+# include_directories(${PROTOBUF_INCLUDE_DIRS})
+#
+# include_directories(${CMAKE_CURRENT_BINARY_DIR})
+# PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS foo.proto)
+# add_executable(bar bar.cc ${PROTO_SRCS} ${PROTO_HDRS})
+# target_link_libraries(bar ${PROTOBUF_LIBRARY})
+#
+# NOTE: You may need to link against pthreads as well depending
+# on the platform.
+#====================================================================
+
+
+#==================================================
+# PROTOBUF_GENERATE_CPP (public function)
+# SRCS = Variable to define with autogenerated
+# source files
+# HDRS = Variable to define with autogenerated
+# header files
+# ARGN = proto files
+#==================================================
+function(PROTOBUF_GENERATE_CPP SRCS HDRS)
+ if(NOT ARGN)
+ message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
+ return()
+ endif(NOT ARGN)
+
+ set(${SRCS})
+ set(${HDRS})
+ foreach(FIL ${ARGN})
+ get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
+ get_filename_component(FIL_WE ${FIL} NAME_WE)
+
+ list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")
+ list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")
+
+ add_custom_command(
+ OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"
+ "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"
+ COMMAND ${PROTOBUF_PROTOC_EXECUTABLE}
+ ARGS --cpp_out ${CMAKE_CURRENT_BINARY_DIR} --proto_path ${CMAKE_CURRENT_SOURCE_DIR} ${ABS_FIL}
+ DEPENDS ${ABS_FIL}
+ COMMENT "Running C++ protocol buffer compiler on ${FIL}"
+ VERBATIM )
+ endforeach()
+
+ set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
+ set(${SRCS} ${${SRCS}} PARENT_SCOPE)
+ set(${HDRS} ${${HDRS}} PARENT_SCOPE)
+endfunction()
+
+
+find_path(PROTOBUF_INCLUDE_DIR google/protobuf/service.h)
+
+# Google's provided vcproj files generate libraries with a "lib"
+# prefix on Windows
+if(WIN32)
+ set(PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")
+ set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")
+endif()
+
+find_library(PROTOBUF_LIBRARY NAMES protobuf
+ DOC "The Google Protocol Buffers Library"
+)
+find_library(PROTOBUF_PROTOC_LIBRARY NAMES protoc
+ DOC "The Google Protocol Buffers Compiler Library"
+)
+find_program(PROTOBUF_PROTOC_EXECUTABLE NAMES protoc
+ DOC "The Google Protocol Buffers Compiler"
+)
+
+# Restore original find library prefixes
+if(WIN32)
+ set(CMAKE_FIND_LIBRARY_PREFIXES ${PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES})
+endif()
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PROTOBUF DEFAULT_MSG
+ PROTOBUF_LIBRARY PROTOBUF_INCLUDE_DIR)
+
+if(PROTOBUF_FOUND)
+ set(PROTOBUF_INCLUDE_DIRS ${PROTOBUF_INCLUDE_DIR})
+ set(PROTOBUF_LIBRARIES ${PROTOBUF_LIBRARY})
+endif()