a C standard library for fx Casio calculators
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cmake_minimum_required(VERSION 3.15)
project(FxLibc VERSION 1.2.0 LANGUAGES C ASM)
set(CMAKE_INSTALL_MESSAGE LAZY)
# Options
# * -DFXLIBC_TARGET=<vhex-sh, vhex-x86, casiowin-fx, casiowin-cg, gint>
# * -DSHARED
option(SHARED "Build a shared library")
option(STANDARD_NAMESPACE "Use libc.a and put headers in global include folder")
set(TARGET_FOLDERS ${FXLIBC_TARGET})
# Install paths
set(LIBDIR "lib")
set(INCDIR "include")
if(FXLIBC_TARGET STREQUAL vhex-sh)
list(APPEND TARGET_FOLDERS vhex-generic sh-generic)
set(FXLIBC_ARCH sh)
add_definitions(-D__SUPPORT_VHEX_KERNEL)
endif()
if(FXLIBC_TARGET STREQUAL vhex-x86)
list(APPEND TARGET_FOLDERS vhex-generic x86-generic)
set(FXLIBC_ARCH x86)
add_definitions(-D__SUPPORT_VHEX_KERNEL)
# TODO: Maybe add -nostdinc (but that removes compiler-provided headers like
# <stddef.h>), or use another compiler than the system one?
endif()
if(FXLIBC_TARGET STREQUAL casiowin-fx)
list(APPEND TARGET_FOLDERS sh-generic)
set(FXLIBC_ARCH sh)
add_definitions(-D__SUPPORT_CASIOWIN_FX9860G)
endif()
if(FXLIBC_TARGET STREQUAL casiowin-cg)
list(APPEND TARGET_FOLDERS sh-generic)
set(FXLIBC_ARCH sh)
add_definitions(-D__SUPPORT_CASIOWIN_FXCG50)
endif()
if(FXLIBC_TARGET STREQUAL gint)
list(APPEND TARGET_FOLDERS sh-generic)
set(FXLIBC_ARCH sh)
add_definitions(-D__SUPPORT_GINT)
# Default to fxSDK install path
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "${FXSDK_COMPILER_INSTALL}" CACHE PATH "..." FORCE)
endif()
if(CMAKE_INSTALL_PREFIX STREQUAL "${FXSDK_COMPILER_INSTALL}")
set(LIBDIR ".")
set(INCDIR "include")
endif()
endif()
if(sh-generic IN_LIST TARGET_FOLDERS)
add_definitions(-D__SUPPORT_ARCH_SH)
endif()
if(x86-generic IN_LIST TARGET_FOLDERS)
add_definitions(-D__SUPPORT_ARCH_X86)
endif()
# TODO: Preprocessor definitions for configuration
# configure_file()
# libc.{a,so} libfxlibc.{a,so}
add_compile_options(-Wall -Wextra -std=c11 -ffreestanding -Os)
if(FXLIBC_ARCH STREQUAL sh)
add_compile_options(
"$<$<COMPILE_LANGUAGE:C>:-m3;-mb>"
"$<$<COMPILE_LANGUAGE:ASM>:-m4-nofpu;-mb;-Wa,--dsp>")
endif()
# Building
set(SOURCES
# 3rdparty
3rdparty/grisu2b_59_56/grisu2b_59_56.c
3rdparty/tinymt32/rand.c
3rdparty/tinymt32/tinymt32.c
# assert
src/libc/assert/assert.c
# ctype
src/libc/ctype/isalnum.c
src/libc/ctype/isalpha.c
src/libc/ctype/isblank.c
src/libc/ctype/iscntrl.c
src/libc/ctype/isdigit.c
src/libc/ctype/isgraph.c
src/libc/ctype/islower.c
src/libc/ctype/isprint.c
src/libc/ctype/ispunct.c
src/libc/ctype/isspace.c
src/libc/ctype/isupper.c
src/libc/ctype/isxdigit.c
src/libc/ctype/tolower.c
src/libc/ctype/toupper.c
# errno
src/libc/errno/errno.c
# inttypes
src/libc/inttypes/imaxabs.c
src/libc/inttypes/imaxdiv.c
src/libc/inttypes/strtoimax.c
src/libc/inttypes/strtoumax.c
# locale
src/libc/locale/setlocale.c
src/libc/locale/localeconv.c
# signal
src/libc/signal/signal.c
src/libc/signal/raise.c
# stdio
src/libc/stdio/asprintf.c
src/libc/stdio/dprintf.c
src/libc/stdio/fprintf.c
src/libc/stdio/printf.c
src/libc/stdio/printf/format_fixed.c
src/libc/stdio/printf/format_fp.c
src/libc/stdio/printf/format_usual.c
src/libc/stdio/printf/print.c
src/libc/stdio/printf/util.c
src/libc/stdio/putc.c
src/libc/stdio/puts.c
src/libc/stdio/snprintf.c
src/libc/stdio/sprintf.c
src/libc/stdio/vasprintf.c
src/libc/stdio/vdprintf.c
src/libc/stdio/vfprintf.c
src/libc/stdio/vprintf.c
src/libc/stdio/vsnprintf.c
src/libc/stdio/vsprintf.c
# stdlib
src/libc/stdlib/abort.c
src/libc/stdlib/abs.c
src/libc/stdlib/atof.c
src/libc/stdlib/atoi.c
src/libc/stdlib/atol.c
src/libc/stdlib/atoll.c
src/libc/stdlib/calloc.c
src/libc/stdlib/div.c
src/libc/stdlib/exit.c
src/libc/stdlib/labs.c
src/libc/stdlib/ldiv.c
src/libc/stdlib/llabs.c
src/libc/stdlib/lldiv.c
src/libc/stdlib/qsort.c
src/libc/stdlib/reallocarray.c
src/libc/stdlib/strto_fp.c
src/libc/stdlib/strto_int.c
src/libc/stdlib/strtod.c
src/libc/stdlib/strtof.c
src/libc/stdlib/strtol.c
src/libc/stdlib/strtold.c
src/libc/stdlib/strtoll.c
src/libc/stdlib/strtoul.c
src/libc/stdlib/strtoull.c
# string
src/libc/string/memchr.c
src/libc/string/memcmp.c
src/libc/string/memcpy.c
src/libc/string/memmove.c
src/libc/string/memset.c
src/libc/string/strcasecmp.c
src/libc/string/strcasestr.c
src/libc/string/strcat.c
src/libc/string/strchr.c
src/libc/string/strchrnul.c
src/libc/string/strcmp.c
src/libc/string/strcoll.c
src/libc/string/strcpy.c
src/libc/string/strcspn.c
src/libc/string/strdup.c
src/libc/string/strerror.c
src/libc/string/strlen.c
src/libc/string/strncasecmp.c
src/libc/string/strncat.c
src/libc/string/strncmp.c
src/libc/string/strncpy.c
src/libc/string/strndup.c
src/libc/string/strnlen.c
src/libc/string/strpbrk.c
src/libc/string/strrchr.c
src/libc/string/strspn.c
src/libc/string/strstr.c
src/libc/string/strstr_base.c
src/libc/string/strtok.c
src/libc/string/strxfrm.c)
# Silence extended warnings on Grisu2b code
set_source_files_properties(3rdparty/grisu2b_59_56/grisu2b_59_56.c PROPERTIES
COMPILE_OPTIONS "-Wno-all;-Wno-extra")
if(vhex-generic IN_LIST TARGET_FOLDERS)
# TODO
endif()
if(vhex-sh IN_LIST TARGET_FOLDERS)
list(APPEND SOURCES
src/libc/signal/target/vhex-sh/kill.S
src/libc/signal/target/vhex-sh/signal.S
src/libc/stdlib/target/vhex-sh/free.S
src/libc/stdlib/target/vhex-sh/malloc.S
src/libc/stdlib/target/vhex-sh/realloc.S
src/posix/fcntl/target/vhex-sh/open.S
src/posix/sys/wait/target/vhex-sh/wait.S
src/posix/sys/wait/target/vhex-sh/waitpid.S
src/posix/unistd/target/vhex-sh/read.S
src/posix/unistd/target/vhex-sh/getppid.S
src/posix/unistd/target/vhex-sh/close.S
src/posix/unistd/target/vhex-sh/fork_execve.S
src/posix/unistd/target/vhex-sh/lseek.S
src/posix/unistd/target/vhex-sh/getpid.S
src/posix/unistd/target/vhex-sh/getpgid.S
src/posix/unistd/target/vhex-sh/setpgid.S
src/posix/unistd/target/vhex-sh/write.S)
endif()
if(sh-generic IN_LIST TARGET_FOLDERS)
list(APPEND SOURCES
src/libc/setjmp/target/sh-generic/setjmp.S
src/libc/setjmp/target/sh-generic/longjmp.S
src/libc/string/target/sh-generic/memchr.S
src/libc/string/target/sh-generic/memcmp.S
src/libc/string/target/sh-generic/memcpy.S
src/libc/string/target/sh-generic/memmove.S
src/libc/string/target/sh-generic/memset.S
src/libc/string/target/sh-generic/strlen.S
src/target/sh-generic/cpucap.c)
endif()
if(gint IN_LIST TARGET_FOLDERS)
list(APPEND SOURCES
src/libc/stdlib/target/gint/free.c
src/libc/stdlib/target/gint/malloc.c
src/libc/stdlib/target/gint/realloc.c)
endif()
if(casiowin-fx IN_LIST TARGET_FOLDERS)
list(APPEND SOURCES
src/posix/unistd/target/casiowin-fx/close.S)
endif()
# TODO: All targets
add_library(fxlibc ${SOURCES})
target_include_directories(fxlibc PRIVATE include/)
if(sh-generic IN_LIST TARGET_FOLDERS)
target_include_directories(fxlibc PRIVATE "${FXSDK_COMPILER_INSTALL}/include/openlibm")
endif()
foreach(FOLDER IN LISTS TARGET_FOLDERS)
target_include_directories(fxlibc PRIVATE include/target/${FOLDER}/)
endforeach()
set_target_properties(fxlibc PROPERTIES
OUTPUT_NAME "c") # libc.a
# Install
install(TARGETS fxlibc DESTINATION ${LIBDIR})
install(DIRECTORY include/ DESTINATION ${INCDIR} PATTERN "target" EXCLUDE)
foreach(FOLDER IN LISTS TARGET_FOLDERS)
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/include/target/${FOLDER}")
install(DIRECTORY include/target/${FOLDER}/ DESTINATION ${INCDIR})
endif()
endforeach()