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Add version macro FMT_VERSION (#411)

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This commit is contained in:
Victor Zverovich 2018-01-21 16:36:22 -08:00
parent bd8a7e7ea1
commit 5e4c34b25a
2 changed files with 26 additions and 9 deletions
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32
CMakeLists.txt
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@ -9,12 +9,22 @@ if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MASTER_PROJECT ON) set(MASTER_PROJECT ON)
endif () endif ()
# Joins arguments and places the results in ${result_var}.
function(join result_var)
set(result )
foreach (arg ${ARGN})
set(result "${result}${arg}")
endforeach ()
set(${result_var} "${result}" PARENT_SCOPE)
endfunction()
# Set the default CMAKE_BUILD_TYPE to Release. # Set the default CMAKE_BUILD_TYPE to Release.
# This should be done before the project command since the latter can set # This should be done before the project command since the latter can set
# CMAKE_BUILD_TYPE itself (it does so for nmake). # CMAKE_BUILD_TYPE itself (it does so for nmake).
if (NOT CMAKE_BUILD_TYPE) if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING join(doc "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or "
"Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.") "CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
set(CMAKE_BUILD_TYPE Release CACHE STRING ${doc})
endif () endif ()
option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF) option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF)
@ -27,14 +37,18 @@ option(FMT_USE_CPP14 "Enable the addition of C++14 compiler flags." ON)
project(FMT) project(FMT)
# Starting with cmake 3.0 VERSION is part of the project command. # Get version from core.h
set(FMT_VERSION 3.1.0) file(READ include/fmt/core.h core_h)
if (NOT FMT_VERSION MATCHES "^([0-9]+).([0-9]+).([0-9]+)$") if (NOT core_h MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])")
message(FATAL_ERROR "Invalid version format ${FMT_VERSION}.") message(FATAL_ERROR "Cannot get FMT_VERSION from core.h.")
endif () endif ()
set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1}) # Use math to skip leading zeros if any.
set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2}) math(EXPR CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3}) math(EXPR CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
math(EXPR CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
join(FMT_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.
${CPACK_PACKAGE_VERSION_PATCH})
message(STATUS "Version: ${FMT_VERSION}")
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}") message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")

3
include/fmt/core.h
View File

@ -15,6 +15,9 @@
#include <string> #include <string>
#include <type_traits> #include <type_traits>
// The fmt library version in the form major * 10000 + minor * 100 + patch.
#define FMT_VERSION 50000
#ifdef __has_feature #ifdef __has_feature
# define FMT_HAS_FEATURE(x) __has_feature(x) # define FMT_HAS_FEATURE(x) __has_feature(x)
#else #else