fxlibc/CMakeLists.txt

cmake_minimum_required(VERSION 3.15)
project(FxLibc VERSION 1.4.4 LANGUAGES C ASM)

set(CMAKE_INSTALL_MESSAGE LAZY)

# Options
# * -DFXLIBC_TARGET=<vhex-sh, vhex-x86, casiowin-fx, casiowin-cg, gint>

set(TARGET_FOLDERS ${FXLIBC_TARGET})
# Install paths
set(LIBDIR "lib")
set(INCDIR "include")

if(FXLIBC_TARGET STREQUAL vhex-sh)
  list(APPEND TARGET_FOLDERS vhex sh-generic)
  set(FXLIBC_ARCH sh)
  add_definitions(-D__SUPPORT_VHEX_KERNEL)
  set(CMAKE_INSTALL_PREFIX "${FXSDK_COMPILER_INSTALL}" CACHE PATH "..." FORCE)
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(FXLIBC_PREFIX_IS_FXSDK 1 CACHE PATH "..." FORCE)
  endif()

  if(FXLIBC_PREFIX_IS_FXSDK)
    # Use the fxSDK paths; these variables are uncached so we are always up-to-
    # date, even if the compiler is upgraded without removing the fxlibc build
    # folder (which happens with GiteaPC)
    execute_process(
      COMMAND fxsdk path include
      OUTPUT_VARIABLE INCDIR
      OUTPUT_STRIP_TRAILING_WHITESPACE)
    execute_process(
      COMMAND fxsdk path lib
      OUTPUT_VARIABLE LIBDIR
      OUTPUT_STRIP_TRAILING_WHITESPACE)
  endif()
endif()

if(sh-generic IN_LIST TARGET_FOLDERS)
  add_definitions(-D__SUPPORT_ARCH_SH)
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_PIC)
  add_compile_options(-fpic)
endif()

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/assert/assert.c
  # ctype
  src/ctype/isalnum.c
  src/ctype/isalpha.c
  src/ctype/isblank.c
  src/ctype/iscntrl.c
  src/ctype/isdigit.c
  src/ctype/isgraph.c
  src/ctype/islower.c
  src/ctype/isprint.c
  src/ctype/ispunct.c
  src/ctype/isspace.c
  src/ctype/isupper.c
  src/ctype/isxdigit.c
  src/ctype/tolower.c
  src/ctype/toupper.c
  # errno
  src/errno/errno.c
  # inttypes
  src/inttypes/imaxabs.c
  src/inttypes/imaxdiv.c
  src/inttypes/strtoimax.c
  src/inttypes/strtoumax.c
  # locale
  src/locale/setlocale.c
  src/locale/localeconv.c
  # signal
  src/signal/signal.c
  src/signal/raise.c
  # stdio
  src/stdio/asprintf.c
  src/stdio/clearerr.c
  src/stdio/dprintf.c
  src/stdio/fclose.c
  src/stdio/fdopen.c
  src/stdio/ferror.c
  src/stdio/feof.c
  src/stdio/fflush.c
  src/stdio/fgetc.c
  src/stdio/fgetpos.c
  src/stdio/fgets.c
  src/stdio/fileno.c
  src/stdio/fileutil.c
  src/stdio/fopen.c
  src/stdio/fprintf.c
  src/stdio/fputc.c
  src/stdio/fputs.c
  src/stdio/fread.c
  src/stdio/freopen.c
  src/stdio/fseek.c
  src/stdio/fsetpos.c
  src/stdio/ftell.c
  src/stdio/fwrite.c
  src/stdio/getc.c
  src/stdio/getchar.c
  src/stdio/gets.c
  src/stdio/getline.c
  src/stdio/getdelim.c
  src/stdio/perror.c
  src/stdio/printf.c
  src/stdio/printf/format_fixed.c
  src/stdio/printf/format_fp.c
  src/stdio/printf/format_usual.c
  src/stdio/printf/print.c
  src/stdio/printf/util.c
  src/stdio/putc.c
  src/stdio/putchar.c
  src/stdio/puts.c
  src/stdio/remove.c
  src/stdio/rewind.c
  src/stdio/scanf/scan.c
  src/stdio/setbuf.c
  src/stdio/setvbuf.c
  src/stdio/snprintf.c
  src/stdio/sprintf.c
  src/stdio/streams.c
  src/stdio/ungetc.c
  src/stdio/vasprintf.c
  src/stdio/vdprintf.c
  src/stdio/vfprintf.c
  src/stdio/vprintf.c
  src/stdio/vsnprintf.c
  src/stdio/vsprintf.c
  # stdlib
  src/stdlib/abort.c
  src/stdlib/abs.c
  src/stdlib/atof.c
  src/stdlib/atoi.c
  src/stdlib/atol.c
  src/stdlib/atoll.c
  src/stdlib/calloc.c
  src/stdlib/div.c
  src/stdlib/exit.c
  src/stdlib/labs.c
  src/stdlib/ldiv.c
  src/stdlib/llabs.c
  src/stdlib/lldiv.c
  src/stdlib/qsort.c
  src/stdlib/reallocarray.c
  src/stdlib/strto_fp.c
  src/stdlib/strto_int.c
  src/stdlib/strtod.c
  src/stdlib/strtof.c
  src/stdlib/strtol.c
  src/stdlib/strtold.c
  src/stdlib/strtoll.c
  src/stdlib/strtoul.c
  src/stdlib/strtoull.c
  # string
  src/string/memchr.c
  src/string/memcmp.c
  src/string/memcpy.c
  src/string/memmove.c
  src/string/memrchr.c
  src/string/memset.c
  src/string/strcasecmp.c
  src/string/strcasestr.c
  src/string/strcat.c
  src/string/strchr.c
  src/string/strchrnul.c
  src/string/strcmp.c
  src/string/strcoll.c
  src/string/strcpy.c
  src/string/strcspn.c
  src/string/strdup.c
  src/string/strerror.c
  src/string/strlen.c
  src/string/strncasecmp.c
  src/string/strncat.c
  src/string/strncmp.c
  src/string/strncpy.c
  src/string/strndup.c
  src/string/strnlen.c
  src/string/strpbrk.c
  src/string/strrchr.c
  src/string/strspn.c
  src/string/strstr.c
  src/string/strstr_base.c
  src/string/strtok.c
  src/string/strxfrm.c
  # time
  src/time/asctime.c
  src/time/ctime.c
  src/time/difftime.c
  src/time/gmtime.c
  src/time/localtime.c
  src/time/mktime.c
  src/time/strftime.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-sh IN_LIST TARGET_FOLDERS)
  list(APPEND SOURCES
    src/stdlib/target/vhex-sh/free.c
    src/stdlib/target/vhex-sh/malloc.c
    src/stdlib/target/vhex-sh/realloc.c
  )
endif()

if(sh-generic IN_LIST TARGET_FOLDERS)
  list(APPEND SOURCES
    src/setjmp/target/sh-generic/setjmp.S
    src/setjmp/target/sh-generic/longjmp.S
    src/string/target/sh-generic/memchr.S
    src/string/target/sh-generic/memcmp.S
    src/string/target/sh-generic/memcpy.S
    src/string/target/sh-generic/memmove.S
    src/string/target/sh-generic/memset.S
    src/string/target/sh-generic/strlen.S
    src/target/sh-generic/cpucap.c)
endif()

if(gint IN_LIST TARGET_FOLDERS)
  list(APPEND SOURCES
    # stdlib
    src/stdlib/target/gint/free.c
    src/stdlib/target/gint/malloc.c
    src/stdlib/target/gint/realloc.c
    # time
    src/time/target/gint/clock.c
    src/time/target/gint/time.c)
endif()

# TODO: All targets

add_library(fxlibc ${SOURCES})

target_include_directories(fxlibc PRIVATE include/)

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()