quickjs: added quickjs package graciously provided by Genexis

quickjs/Makefile

@@ -0,0 +1,55 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=quickjs
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/bellard/quickjs.git
+PKG_SOURCE_DATE:=2020-11-08
+PKG_SOURCE_VERSION:=204682fb87ab9312f0cf81f959ecd181180457bc
+PKG_MIRROR_HASH:=skip
+PKG_LICENSE:=MIT
+
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/quickjs
+  SECTION:=lang
+  CATEGORY:=Languages
+  TITLE:=QuickJS Javascript engine
+  URL:=https://bellard.org/quickjs/
+  MAINTAINER:=Erik Karlsson <erik.karlsson@genexis.eu>
+  DEPENDS:=+libatomic
+endef
+
+define Package/quickjs/description
+  QuickJS is a small and embeddable Javascript engine. It supports
+  the ES2020 specification including modules, asynchronous
+  generators, proxies and BigInt.
+endef
+
+MAKE_VARS += \
+	LIBS="-latomic"
+
+MAKE_FLAGS = \
+	prefix=/usr \
+	CONFIG_SMALL=y \
+	CROSS_PREFIX="$(TARGET_CROSS)"
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/lib/quickjs
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/quickjs/libquickjs.a $(1)/usr/lib/quickjs/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/quickjs/libquickjs.lto.a $(1)/usr/lib/quickjs/
+	$(INSTALL_DIR) $(1)/usr/include/quickjs
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/quickjs/quickjs.h $(1)/usr/include/quickjs/
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/quickjs/quickjs-libc.h $(1)/usr/include/quickjs/
+endef
+
+define Package/quickjs/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/qjs $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,quickjs))

quickjs/patches/000-build-options.patch

@@ -0,0 +1,96 @@
+diff --git a/Makefile b/Makefile
+index e6ae827..bbd3ce8 100644
+--- a/Makefile
++++ b/Makefile
+@@ -33,6 +33,8 @@ CONFIG_LTO=y
+ #CONFIG_WERROR=y
+ # force 32 bit build for some utilities
+ #CONFIG_M32=y
++# build with -Os instead of -O2
++#CONFIG_SMALL=y
+ 
+ ifdef CONFIG_DARWIN
+ # use clang instead of gcc
+@@ -52,6 +54,13 @@ CONFIG_BIGNUM=y
+ 
+ OBJDIR=.obj
+ 
++CFLAGS_ENV:=$(CFLAGS)
++LDFLAGS_ENV:=$(LDFLAGS)
++
++HOST_BUILD=
++CFLAGS=$(if $(HOST_BUILD),,$(CFLAGS_ENV))
++LDFLAGS=$(if $(HOST_BUILD),,$(LDFLAGS_ENV))
++
+ ifdef CONFIG_WIN32
+   ifdef CONFIG_M32
+     CROSS_PREFIX=i686-w64-mingw32-
+@@ -66,7 +75,7 @@ endif
+ ifdef CONFIG_CLANG
+   HOST_CC=clang
+   CC=$(CROSS_PREFIX)clang
+-  CFLAGS=-g -Wall -MMD -MF $(OBJDIR)/$(@F).d
++  CFLAGS += -g -Wall -MMD -MF $(OBJDIR)/$(@F).d
+   CFLAGS += -Wextra
+   CFLAGS += -Wno-sign-compare
+   CFLAGS += -Wno-missing-field-initializers
+@@ -87,7 +96,7 @@ ifdef CONFIG_CLANG
+ else
+   HOST_CC=gcc
+   CC=$(CROSS_PREFIX)gcc
+-  CFLAGS=-g -Wall -MMD -MF $(OBJDIR)/$(@F).d
++  CFLAGS += -g -Wall -MMD -MF $(OBJDIR)/$(@F).d
+   CFLAGS += -Wno-array-bounds -Wno-format-truncation
+   ifdef CONFIG_LTO
+     AR=$(CROSS_PREFIX)gcc-ar
+@@ -110,9 +119,13 @@ endif
+ CFLAGS+=$(DEFINES)
+ CFLAGS_DEBUG=$(CFLAGS) -O0
+ CFLAGS_SMALL=$(CFLAGS) -Os
++ifdef CONFIG_SMALL
++CFLAGS_OPT=$(CFLAGS) -Os
++else
+ CFLAGS_OPT=$(CFLAGS) -O2
++endif
+ CFLAGS_NOLTO:=$(CFLAGS_OPT)
+-LDFLAGS=-g
++LDFLAGS+=-g
+ ifdef CONFIG_LTO
+ CFLAGS_SMALL+=-flto
+ CFLAGS_OPT+=-flto
+@@ -175,7 +188,7 @@ QJS_OBJS+=$(OBJDIR)/qjscalc.o
+ endif
+ 
+ HOST_LIBS=-lm -ldl -lpthread
+-LIBS=-lm
++LIBS+=-lm
+ ifndef CONFIG_WIN32
+ LIBS+=-ldl -lpthread
+ endif
+@@ -194,6 +207,8 @@ qjsc$(EXE): $(OBJDIR)/qjsc.o $(QJS_LIB_OBJS)
+ 
+ ifneq ($(CROSS_PREFIX),)
+ 
++$(QJSC): HOST_BUILD=1
++
+ $(QJSC): $(OBJDIR)/qjsc.host.o \
+     $(patsubst %.o, %.host.o, $(QJS_LIB_OBJS))
+ 	$(HOST_CC) $(LDFLAGS) -o $@ $^ $(HOST_LIBS)
+@@ -261,6 +276,8 @@ run-test262-32: $(patsubst %.o, %.m32.o, $(OBJDIR)/run-test262.o $(QJS_LIB_OBJS)
+ $(OBJDIR)/%.o: %.c | $(OBJDIR)
+ 	$(CC) $(CFLAGS_OPT) -c -o $@ $<
+ 
++$(OBJDIR)/%.host.o: HOST_BUILD=1
++
+ $(OBJDIR)/%.host.o: %.c | $(OBJDIR)
+ 	$(HOST_CC) $(CFLAGS_OPT) -c -o $@ $<
+ 
+@@ -285,6 +302,8 @@ $(OBJDIR)/%.check.o: %.c | $(OBJDIR)
+ regexp_test: libregexp.c libunicode.c cutils.c
+ 	$(CC) $(LDFLAGS) $(CFLAGS) -DTEST -o $@ libregexp.c libunicode.c cutils.c $(LIBS)
+ 
++unicode_gen: HOST_BUILD=1
++
+ unicode_gen: $(OBJDIR)/unicode_gen.host.o $(OBJDIR)/cutils.host.o libunicode.c unicode_gen_def.h
+ 	$(HOST_CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJDIR)/unicode_gen.host.o $(OBJDIR)/cutils.host.o
+ 

quickjs/patches/001-no-fenv-dtoa-libbf.patch

@@ -0,0 +1,106 @@
+diff --git a/quickjs.c b/quickjs.c
+index a39ff8f..635c506 100644
+--- a/quickjs.c
++++ b/quickjs.c
+@@ -65,6 +65,16 @@
+ #define CONFIG_PRINTF_RNDN
+ #endif
+ 
++#ifdef CONFIG_PRINTF_RNDN
++#if !defined(FE_DOWNWARD) || !defined(FE_UPWARD)
++#ifdef CONFIG_BIGNUM
++#define CONFIG_DTOA_LIBBF
++#else
++#error "CONFIG_BIGNUM required if printf is RNDN and there is no fenv support"
++#endif
++#endif
++#endif
++
+ /* define to include Atomics.* operations which depend on the OS
+    threads */
+ #if !defined(EMSCRIPTEN)
+@@ -11253,6 +11263,11 @@ static char *i64toa(char *buf_end, int64_t n, unsigned int base)
+     return q;
+ }
+ 
++/* maximum buffer size for js_dtoa */
++#define JS_DTOA_BUF_SIZE 128
++
++#ifndef CONFIG_DTOA_LIBBF
++
+ /* buf1 contains the printf result */
+ static void js_ecvt1(double d, int n_digits, int *decpt, int *sign, char *buf,
+                      int rounding_mode, char *buf1, int buf1_size)
+@@ -11272,9 +11287,6 @@ static void js_ecvt1(double d, int n_digits, int *decpt, int *sign, char *buf,
+     *decpt = atoi(buf1 + n_digits + 2 + (n_digits > 1)) + 1;
+ }
+ 
+-/* maximum buffer size for js_dtoa */
+-#define JS_DTOA_BUF_SIZE 128
+-
+ /* needed because ecvt usually limits the number of digits to
+    17. Return the number of digits. */
+ static int js_ecvt(double d, int n_digits, int *decpt, int *sign, char *buf,
+@@ -11383,6 +11395,8 @@ static void js_fcvt(char *buf, int buf_size, double d, int n_digits)
+     js_fcvt1(buf, buf_size, d, n_digits, rounding_mode);
+ }
+ 
++#endif /* CONFIG_DTOA_LIBBF */
++
+ /* radix != 10 is only supported with flags = JS_DTOA_VAR_FORMAT */
+ /* use as many digits as necessary */
+ #define JS_DTOA_VAR_FORMAT   (0 << 0)
+@@ -11396,8 +11410,10 @@ static void js_fcvt(char *buf, int buf_size, double d, int n_digits)
+ /* XXX: slow and maybe not fully correct. Use libbf when it is fast enough.
+    XXX: radix != 10 is only supported for small integers
+ */
+-static void js_dtoa1(char *buf, double d, int radix, int n_digits, int flags)
++static JSValue js_dtoa(JSContext *ctx,
++                       double d, int radix, int n_digits, int flags)
+ {
++    char buf[JS_DTOA_BUF_SIZE];
+     char *q;
+ 
+     if (!isfinite(d)) {
+@@ -11419,6 +11435,25 @@ static void js_dtoa1(char *buf, double d, int radix, int n_digits, int flags)
+         ptr = i64toa(buf1 + sizeof(buf1), i64, radix);
+         strcpy(buf, ptr);
+     } else {
++#ifdef CONFIG_DTOA_LIBBF
++        bf_flags_t bf_flags;
++    generic_conv:
++        bf_flags = BF_RNDNA;
++        switch (flags & 3) {
++        case JS_DTOA_VAR_FORMAT:
++            bf_flags |= BF_FTOA_FORMAT_FREE_MIN;
++            break;
++        case JS_DTOA_FIXED_FORMAT:
++            bf_flags |= BF_FTOA_FORMAT_FIXED;
++            break;
++        case JS_DTOA_FRAC_FORMAT:
++            bf_flags |= BF_FTOA_FORMAT_FRAC;
++            break;
++        }
++        if (flags & JS_DTOA_FORCE_EXP)
++            bf_flags |= BF_FTOA_FORCE_EXP;
++        return js_ftoa(ctx, JS_NewFloat64(ctx, d), radix, n_digits, bf_flags);
++#else /* CONFIG_DTOA_LIBBF */
+         if (d == 0.0)
+             d = 0.0; /* convert -0 to 0 */
+         if (flags == JS_DTOA_FRAC_FORMAT) {
+@@ -11482,14 +11517,8 @@ static void js_dtoa1(char *buf, double d, int radix, int n_digits, int flags)
+                 sprintf(q, "%d", p);
+             }
+         }
++#endif /* CONFIG_DTOA_LIBBF */
+     }
+-}
+-
+-static JSValue js_dtoa(JSContext *ctx,
+-                       double d, int radix, int n_digits, int flags)
+-{
+-    char buf[JS_DTOA_BUF_SIZE];
+-    js_dtoa1(buf, d, radix, n_digits, flags);
+     return JS_NewString(ctx, buf);
+ }
+