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fxlibc/CMakeLists.txt
Lephenixnoir 09610f59de
stdlib: fix atoi()/strto*() pulling in the entirety of scanf 
This was due to the few base __scanf() functions, used by strto*() and
co. to share their framework with scanf() specifiers, being in the main
scanf() file. Not sure why it ended up pulling the entire file even with
LTO, but now that it's separate there's no issue anymore.

Pulling in the entirety of scanf() is mostly expensive because it
contains specifiers(), including strtod(), which itself computes on
floating point numbers, leading to many libm functions being linked in,
some of them with their internal data tables.

In the end you'd call atoi() and get a 24-kB size increase.
Which is not ✨great✨ :)
2024-11-19 12:33:26 +01:00

327 lines
7.9 KiB
CMake
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cmake_minimum_required(VERSION 3.15)
project(FxLibc VERSION 1.5.1 LANGUAGES C ASM)
set(CMAKE_INSTALL_MESSAGE LAZY)
# Options
# * -DFXLIBC_TARGET=<vhex-sh, vhex-x86, casiowin-fx, casiowin-cg, gint>
set(TARGET_FOLDERS ${FXLIBC_TARGET})
# Install paths
set(LIBDIR "lib")
set(INCDIR "include")
if(FXLIBC_TARGET STREQUAL vhex-sh)
list(APPEND TARGET_FOLDERS vhex sh-generic)
set(FXLIBC_ARCH sh)
add_definitions(-D__SUPPORT_VHEX_KERNEL)
set(CMAKE_INSTALL_PREFIX "${VXSDK_COMPILER_INSTALL}" CACHE PATH "..." FORCE)
set(INCDIR "${VXSDK_COMPILER_INSTALL}/include")
set(LIBDIR "${VXSDK_COMPILER_INSTALL}/lib")
endif()
if(FXLIBC_TARGET STREQUAL gint)
list(APPEND TARGET_FOLDERS sh-generic)
set(FXLIBC_ARCH sh)
set(FXLIBC_LTO 1)
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_LTO)
add_compile_options(-flto -ffat-lto-objects)
# Generate the archive with gcc-ar instead of ar as it will load the LTO
# plugin which is required to generate a usable archive.
set(CMAKE_C_ARCHIVE_CREATE "${CMAKE_C_COMPILER_AR} qcs <TARGET> <OBJECTS>")
# Also the ranlib rule (useless because ar is passed the s flag anyway)
set(CMAKE_C_ARCHIVE_FINISH "${CMAKE_C_COMPILER_RANLIB} <TARGET>")
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
# C++ API details
src/dso.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/fscanf.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.c
src/stdio/scanf/scan.c
src/stdio/scanf/scan_base.c
src/stdio/setbuf.c
src/stdio/setvbuf.c
src/stdio/snprintf.c
src/stdio/sprintf.c
src/stdio/sscanf.c
src/stdio/streams.c
src/stdio/ungetc.c
src/stdio/vasprintf.c
src/stdio/vdprintf.c
src/stdio/vfprintf.c
src/stdio/vfscanf.c
src/stdio/vprintf.c
src/stdio/vscanf.c
src/stdio/vsnprintf.c
src/stdio/vsprintf.c
src/stdio/vsscanf.c
# stdlib
src/stdlib/abort.c
src/stdlib/abs.c
src/stdlib/atexit.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
# unistd
src/unistd/_exit.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 HAL
src/stdlib/fxlibc_hal_malloc.c
src/stdlib/free.c
src/stdlib/malloc.c
src/stdlib/realloc.c
# time HAL
src/time/fxlibc_hal_time.c
src/time/clock.c
src/time/time.c)
endif()
#---
# Handle "target-specific" fxlibc output format
#---
if(FXLIBC_TARGET STREQUAL vhex-sh)
set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
add_library(fxlibcStatic STATIC ${SOURCES})
add_library(fxlibcShared SHARED ${SOURCES})
set(FXLIBC_TARGET_LIBS "fxlibcStatic;fxlibcShared")
else()
add_library(fxlibcStatic STATIC ${SOURCES})
set(FXLIBC_TARGET_LIBS "fxlibcStatic")
endif()
foreach(FXLIBC_LIB IN LISTS FXLIBC_TARGET_LIBS)
target_include_directories(${FXLIBC_LIB} PRIVATE include/)
foreach(FOLDER IN LISTS TARGET_FOLDERS)
target_include_directories(${FXLIBC_LIB} PRIVATE include/target/${FOLDER}/)
endforeach()
set_target_properties(${FXLIBC_LIB} PROPERTIES OUTPUT_NAME "c")
install(TARGETS ${FXLIBC_LIB} DESTINATION ${LIBDIR})
endforeach()
#---
# Do not forget to install headers
#---
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()
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