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Kill a bunch of obsolete build system cruft.

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This commit is contained in:
Sadie Powell
2025-11-18 02:11:20 +00:00
parent 5cc5d0effd
commit 838de2f5b8
6 changed files with 10 additions and 89 deletions
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CMakeLists.txt
+5 -82
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@@ -1,9 +1,8 @@
# This usage of CMake requires at least version 3.20
cmake_minimum_required(VERSION 3.20 FATAL_ERROR)
# Set the project as C++ primarily, but have C enabled for the checks required later
# Set the project as C++ primarily
project(Anope CXX)
enable_language(C)
# Override the module include path to include our directory, for our Anope.cmake, as well as we are using our own version of the NSIS template
set(CMAKE_MODULE_PATH ${Anope_SOURCE_DIR}/cmake)
@@ -13,10 +12,6 @@ include(Anope)
# Force the locale to C for later uses of things like gcc so the messages come up in English, not the user's default language
set(ENV{LC_ALL} C)
# Start with empty defaults for library and include directories, to be used by GNU compilers only
set(DEFAULT_LIBRARY_DIRS)
set(DEFAULT_INCLUDE_DIRS)
# We require C++17 to build
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 17)
@@ -25,81 +20,9 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Put modules in their own folder
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# If we are using a GNU compiler (have to use CXX because it seems to fail on C), we will be able to determine it's default paths for libraries and includes
if(CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang$")
# First look for the compiler's default library directories
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-search-dirs OUTPUT_VARIABLE LINES OUTPUT_STRIP_TRAILING_WHITESPACE)
# Find only the part after "libraries: "
string(REGEX REPLACE ".*\nlibraries: (.*)$" "\\1" LINE "${LINES}")
# Replace the colons in the list with semicolons
string(REGEX REPLACE ":" ";" LIBRARIES ${LINE})
# Iterate through the libraries
foreach(LIBRARY ${LIBRARIES})
# Check if the first character is an equal sign, and skip that library directory as it is (I believe) the primary default and shows up later in the list anyways
string(SUBSTRING ${LIBRARY} 0 1 FIRST_CHAR)
if(NOT FIRST_CHAR STREQUAL "=")
# If the directory had no = in front of it, make sure it's absolute and add it to the list of default library directories
get_filename_component(LIBRARY ${LIBRARY} ABSOLUTE)
list(APPEND DEFAULT_LIBRARY_DIRS ${LIBRARY})
endif()
endforeach()
# Remove duplicate entries from the list
if(DEFAULT_LIBRARY_DIRS)
list(REMOVE_DUPLICATES DEFAULT_LIBRARY_DIRS)
endif()
# Create a temporary file to test for the default include directories
FILE(WRITE empty.cpp "")
# Next, we look for the compiler's default include directories
# Run the command to find the default include directories
execute_process(COMMAND ${CMAKE_C_COMPILER} -v -x c++ -E ${CMAKE_CURRENT_SOURCE_DIR}/empty.cpp ERROR_VARIABLE LINES OUTPUT_QUIET ERROR_STRIP_TRAILING_WHITESPACE)
# Remove the empty file, it is no longer needed
FILE(REMOVE empty.cpp)
# Convert the new lines to semicolons
string(REGEX REPLACE "\n" ";" LINES ${LINES})
# Temporary variable saying if we are in the search list or not
set(IN_SEARCH_LIST FALSE)
# Iterate through the lines
foreach(LINE ${LINES})
# If the line has the following on it, the next lines will contain directory names
if(LINE STREQUAL "#include <...> search starts here:")
set(IN_SEARCH TRUE)
else()
# If the line has the following on it, we hit the end of the list
if(LINE STREQUAL "End of search list.")
set(IN_SEARCH FALSE)
else()
# If we are within the block between the above two lines...
if(IN_SEARCH)
# Get everything but the first character of the line
string(LENGTH ${LINE} LINE_LENGTH)
math(EXPR LINE_LENGTH "${LINE_LENGTH} - 1")
string(SUBSTRING ${LINE} 1 ${LINE_LENGTH} INCLUDE)
# For systems like Mac OS X, look for include paths that say " (framework directory)" at the end of them and strip that off
string(REGEX REPLACE " \\(framework directory\\)$" "" INCLUDE ${INCLUDE})
# Convert the path to an absolute one, just in case it wasn't
get_filename_component(INCLUDE ${INCLUDE} ABSOLUTE)
# Add that directory to the list of default include directories
list(APPEND DEFAULT_INCLUDE_DIRS ${INCLUDE})
endif()
endif()
endif()
endforeach()
# Remove duplicate entries from the list
if(DEFAULT_INCLUDE_DIRS)
list(REMOVE_DUPLICATES DEFAULT_INCLUDE_DIRS)
endif()
endif()
# If the user specifies -DCMAKE_BUILD_TYPE on the command line, take their definition
# and dump it in the cache along with proper documentation, otherwise set CMAKE_BUILD_TYPE
# to Debug
# Only do this if not using Visual Studio
if(NOT MSVC)
if(CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
else()
set(CMAKE_BUILD_TYPE DEBUG CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "")
message(STATUS "CMAKE_BUILD_TYPE has not been specified; defaulting to Debug")
set(CMAKE_BUILD_TYPE "Debug")
endif()
# Include the checking functions used later in this CMakeLists.txt
@@ -199,7 +122,7 @@ if(NOT DEFUMASK)
endif()
# Set the DEBUG_BUILD for sysconf.h
if(CMAKE_BUILD_TYPE STREQUAL "DEBUG" OR CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
if(CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(DEBUG_BUILD TRUE)
endif()