fix: embed tinycc includes using tar

will be extracted in the execution tmpdir on runtime

build/deps.mk

@@ -16,6 +16,9 @@ src/embed-musl-libc.c:
 src/embed-libtcc1.c:
 	sh build/embed-libtcc1.sh
 
+src/embed-headers.c:
+	sh build/embed-headers.sh
+
 lib/tinycc/libtcc.a:
 	cd lib/tinycc && ./configure ${tinycc_config} \
 	&& ${MAKE} libtcc.a libtcc1.a

build/embed-headers.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+includes=lib/tinycc/include
+dst=src/embed-headers.c
+
+tmptar=`mktemp`.tar
+tar cf $tmptar ${includes}
+
+command -v xxd > /dev/null || {
+  >&2 echo "Error not found: xxd binary not installed"
+  exit 1
+}
+
+echo "// ${includes}" > $dst
+xxd -i $tmptar >> $dst
+tmpvar=`echo $tmptar | sed 's/\//_/g; s/\./_/g'`
+>&2 echo "$tmpvar"
+sed -i 's/unsigned char '"$tmpvar"'/const unsigned char tinycc_headers/' $dst
+sed -i 's/unsigned int '"$tmpvar"'/const unsigned int tinycc_headers_len/' $dst

build/init.mk

@@ -20,8 +20,9 @@ endif
 cflags := ${CFLAGS} -Isrc -Ilib/tinycc
 cflags += -fstack-protector-all -D_FORTIFY_SOURCE=2 -fno-strict-overflow
 
-SOURCES := src/io.o src/file.o src/cflag.o \
-	src/cjit.o src/embed-libtcc1.o src/embed-musl-libc.o
+SOURCES := src/io.o src/file.o src/cflag.o src/cjit.o \
+	src/embed-libtcc1.o src/embed-musl-libc.o src/embed-headers.o \
+	src/microtar.o
 
 ldadd := lib/tinycc/libtcc.a