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Improve cmake option selection. Fix usage of CMAKE_C_FLAGS instead of CMAKE_CXX_FLAGS.

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This commit is contained in:
Enrico Fraccaroli (Galfurian)
2022-07-07 14:57:32 -04:00
parent 7e78df36cf
commit 4e07800428
10 changed files with 876 additions and 512 deletions
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programs/CMakeLists.txt
+24 -6
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@@ -7,38 +7,55 @@ cmake_minimum_required(VERSION 3.1...3.22)
project(programs C)
# =============================================================================
# Set the directory where the compiled binaries will be placed.
set(MENTOS_BIN_DIR ${CMAKE_SOURCE_DIR}/files/bin)
# C WARNINGs
# =============================================================================
# We need to specify the name of the entry function.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -u_start")
# Warning flags.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpedantic")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
# Disable some specific warnings.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-variable")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unknown-pragmas")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-but-set-variable")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
# Set the compiler options.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -u_start")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdlib")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-builtin")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-stack-protector")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-pic")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcommon")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686")
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
# =============================================================================
# BUILD
# =============================================================================
# Set the directory where the compiled binaries will be placed.
set(MENTOS_BIN_DIR ${CMAKE_SOURCE_DIR}/files/bin)
# Add the executables (manually).
set(PROGRAMS
init.c
@@ -70,6 +87,7 @@ set(PROGRAMS
edit.c
uptime.c
)
foreach(PROGRAM ${PROGRAMS})
# Prepare the program name.
string(REPLACE ".c" "" PROGRAM_NAME ${PROGRAM})