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Decrease size of Ruby in libretro builds

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This decreases the size of the libretro core by around 10% without
having a discernable effect on game compatibility.
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刘皓 2025-03-27 22:00:00 -04:00
parent c2aa007228
commit 6f6d0044ff
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GPG key ID: 7901753DB465B711
2 changed files with 8 additions and 36 deletions
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2
binding-sandbox/wasm-rt.cpp
View file

@ -27,7 +27,7 @@
#define WASM_PAGE_SIZE ((uint64_t)65536U)
#define WASM_MIN_PAGES ((uint32_t)1536U)
#define WASM_MIN_PAGES ((uint32_t)1280U)
extern "C" bool wasm_rt_is_initialized(void) {
return true;

42
libretro/Makefile
View file

@ -3,7 +3,6 @@
RUBY_VERSION ?= v3_3_7
LIBYAML_VERSION ?= 0.2.5
ZLIB_VERSION ?= 1.3.1
OPENSSL_VERSION ?= 3.2.0
TARGET ?= wasm32-wasip1
WASI_SDK ?= /opt/wasi-sdk
WASM_OPT ?= wasm-opt
@ -85,7 +84,10 @@ $(OUTDIR)/mkxp-retro-dist.zip: $(LIBDIR)/mkxp-retro-dist/bin/ruby $(RUBY)
rm $(LIBDIR)/_mkxp-retro-dist/lib/libruby-static.a
rm -r $(LIBDIR)/_mkxp-retro-dist/include
rm -r $(LIBDIR)/_mkxp-retro-dist/share
rm -r $(LIBDIR)/_mkxp-retro-dist/lib/ruby/gems/$(shell $(RUBY) -e 'puts RUBY_VERSION.split(".")[..1].join(".")').0/cache/*
rm -r $(LIBDIR)/_mkxp-retro-dist/lib/ruby/gems
rm -r $(LIBDIR)/_mkxp-retro-dist/lib/ruby/$(shell $(RUBY) -e 'puts RUBY_VERSION.split(".")[..1].join(".")').0/bundler
rm -r $(LIBDIR)/_mkxp-retro-dist/lib/ruby/$(shell $(RUBY) -e 'puts RUBY_VERSION.split(".")[..1].join(".")').0/rdoc
rm -r $(LIBDIR)/_mkxp-retro-dist/lib/ruby/$(shell $(RUBY) -e 'puts RUBY_VERSION.split(".")[..1].join(".")').0/rubygems
echo '# This is a Ruby script that does nothing. We make Ruby load this file on startup just because Ruby needs to load a script on startup for some reason.' > $(LIBDIR)/_mkxp-retro-dist/bin/mkxp-z
rm -f $(OUTDIR)/mkxp-retro-dist.zip
cd $(LIBDIR)/_mkxp-retro-dist && $(ZIP) -r $(OUTDIR)/mkxp-retro-dist.zip *
@ -107,16 +109,15 @@ $(LIBDIR)/tags.c: $(DOWNLOADS)/crossruby/.ext/include/$(TARGET)/ruby/config.h
mkdir -p $(LIBDIR)
echo '#include <ruby.h>' | $(WASI_CC) -E -I$(DOWNLOADS)/crossruby/include -I$(DOWNLOADS)/crossruby/.ext/include/$(TARGET) -o $(LIBDIR)/tags.c -
$(DOWNLOADS)/crossruby/Makefile $(DOWNLOADS)/crossruby/.ext/include/$(TARGET)/ruby/config.h &: $(DOWNLOADS)/crossruby/configure $(RUBY) $(LIBDIR)/usr/local/lib/libyaml.a $(LIBDIR)/usr/local/lib/libz.a $(LIBDIR)/usr/local/lib/libssl.a
$(DOWNLOADS)/crossruby/Makefile $(DOWNLOADS)/crossruby/.ext/include/$(TARGET)/ruby/config.h &: $(DOWNLOADS)/crossruby/configure $(RUBY) $(LIBDIR)/usr/local/lib/libyaml.a $(LIBDIR)/usr/local/lib/libz.a
cd $(DOWNLOADS)/crossruby && ./configure \
--prefix=/mkxp-retro-dist \
--host $(TARGET) \
--build $(shell $(RUBY) -e 'puts(RbConfig::CONFIG["host"])') \
--with-static-linked-ext \
--with-ext=bigdecimal,cgi/escape,continuation,coverage,date,dbm,digest/bubblebabble,digest,digest/md5,digest/rmd160,digest/sha1,digest/sha2,etc,fcntl,fiber,gdbm,json,json/generator,json/parser,nkf,objspace,pathname,psych,racc/cparse,rbconfig/sizeof,ripper,stringio,strscan,monitor,zlib,openssl \
--with-ext=bigdecimal,cgi/escape,continuation,coverage,date,digest/bubblebabble,digest,digest/md5,digest/rmd160,digest/sha1,digest/sha2,etc,fcntl,fiber,json,json/generator,json/parser,nkf,objspace,pathname,psych,racc/cparse,rbconfig/sizeof,ripper,stringio,strscan,monitor,zlib \
--with-libyaml-dir=$(LIBDIR)/usr/local \
--with-zlib-dir=$(LIBDIR)/usr/local \
--with-openssl-dir=$(LIBDIR)/usr/local \
--with-baseruby=$(RUBY) \
WASMOPT=$(WASM_OPT) \
WASI_SDK_PATH=$(WASI_SDK) \
@ -127,6 +128,7 @@ $(DOWNLOADS)/crossruby/Makefile $(DOWNLOADS)/crossruby/.ext/include/$(TARGET)/ru
optflags='$(WASI_CFLAGS) -fno-fast-math' \
wasmoptflags='$(WASM_OPT_FLAGS) --pass-arg=asyncify-ignore-imports' \
$(shell $(RUBY) -e 'puts "ac_cv_func_dlopen=no" if RUBY_VERSION.split(".")[..1].join(".").to_f < 3.3') \
--disable-rubygems \
--disable-install-doc
$(DOWNLOADS)/crossruby/configure: $(DOWNLOADS)/crossruby/configure.ac $(RUBY)
@ -181,33 +183,3 @@ $(DOWNLOADS)/zlib/Makefile: $(DOWNLOADS)/zlib/configure
$(DOWNLOADS)/zlib/configure:
mkdir -p $(DOWNLOADS)
$(CLONE) $(GITHUB)/madler/zlib $(DOWNLOADS)/zlib -b v$(ZLIB_VERSION)
# OpenSSL
$(LIBDIR)/usr/local/lib/libssl.a: $(DOWNLOADS)/openssl/Makefile
cd $(DOWNLOADS)/openssl && $(MAKE) install_dev DESTDIR=$(LIBDIR)
$(DOWNLOADS)/openssl/Makefile: $(DOWNLOADS)/openssl/Configure
cd $(DOWNLOADS)/openssl && CFLAGS='$(WASI_CFLAGS)' CXXFLAGS='$(WASI_CXXFLAGS)' LDFLAGS='$(WASI_LDFLAGS)' ./Configure \
gcc \
-static \
-no-asm \
-no-threads \
-no-afalgeng \
-no-ui-console \
-no-tests \
-no-sock \
-no-dgram \
--libdir=lib \
-Wl,--allow-undefined \
-D_WASI_EMULATED_SIGNAL \
-D_WASI_EMULATED_PROCESS_CLOCKS \
-D_WASI_EMULATED_MMAN \
-D_WASI_EMULATED_GETPID \
-DNO_CHMOD \
-DHAVE_FORK=0 \
$(WASI_TOOLCHAIN)
$(DOWNLOADS)/openssl/Configure:
mkdir -p $(DOWNLOADS)
$(CLONE) $(GITHUB)/openssl/openssl $(DOWNLOADS)/openssl -b openssl-$(OPENSSL_VERSION)