Add support for acr/musl-gcc static builds ##build

.github/workflows/ci.yml

@@ -179,14 +179,20 @@ jobs:
         path: radare2-win-installer\Output\radare2.exe
   # LINUX
   linux-static:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Installing the musl runtime
+      run: |
+        sudo apt update
+        sudo apt upgrade
+        sudo apt install musl-tools
     - name: Building static r2 with acr
       run: |
         cp -f dist/plugins-cfg/plugins.static.nogpl.cfg plugins.cfg
         NOLTO=1 sys/static.sh
+        # NOLTO=1 sys/static.sh
         make -C binr/blob
         tar cJvf r2-static.tar.xz r2-static
     - name: Pub

config-user.mk.acr

@@ -80,8 +80,10 @@ LIBMAGIC=@LIBMAGIC@
 LIBZIP=@LIBZIP@
 LIBXXHASH=@LIBXXHASH@
 
+ifeq ($(HAVE_LIB_SSL),1)
 SSL_CFLAGS=@SSL_CFLAGS@
 SSL_LDFLAGS=@SSL_LDFLAGS@
+endif
 
 HAVE_LIBUV=@HAVE_LIBUV@
 LIBUV_CFLAGS=@LIBUV_CFLAGS@

libr/Makefile

@@ -130,16 +130,16 @@ E+=../shlr/capstone/libcapstone.${EXT_AR}
 endif
 
 ifeq ($(OSTYPE),darwin)
-libr_LDFLAGS=-dynamiclib -shared
+LIBR_LDFLAGS=-dynamiclib -shared
 else
-libr_LDFLAGS=-shared
+LIBR_LDFLAGS=-shared
 endif
 
 libr.${EXT_SO}: .libr2
 ifeq (${COMPILER},emscripten)
 	echo nothing to do here
 else
-	$(CC) -fvisibility=hidden $(MLFLAGS) ${LINK} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} $(libr_LDFLAGS) -o libr.${EXT_SO}  \
+	$(CC) -fvisibility=hidden $(MLFLAGS) ${LINK} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} $(LIBR_LDFLAGS) -o libr.${EXT_SO}  \
 		.libr2/*/*.o \
 		../shlr/gdb/lib/libgdbr.${EXT_AR} ../shlr/java/libr_java.${EXT_AR} \
 		../shlr/libr_shlr.${EXT_AR} ../shlr/mpc/libmpc.${EXT_AR} $(E) \

libr/debug/p/native/linux/linux_coredump.c

@@ -7,7 +7,7 @@
 #if __x86_64__ || __i386__ || __arm__ || __arm64__
 #include <sys/uio.h>
 #include <sys/ptrace.h>
-#include <asm/ptrace.h>
+// #include <asm/ptrace.h>
 #include "linux_coredump.h"
 #include "linux_ptrace.h"
 

mk/musl-gcc.mk

@@ -0,0 +1,25 @@
+ifeq (${_INCLUDE_MK_MUSL_GCC_},)
+_INCLUDE_MK_GCC_=1
+CC?=musl-gcc
+OBJCOPY?=objcopy
+RANLIB?=ranlib
+ONELIB=0
+AR?=ar
+CC_AR=${AR} q ${LIBAR}
+CFLAGS+=-MD
+CFLAGS_INCLUDE=-I
+LDFLAGS_LINK=-l
+LDFLAGS_LINKPATH=-L
+CFLAGS_OPT0=-O0
+CFLAGS_OPT1=-O1
+CFLAGS_OPT2=-O2
+CFLAGS_OPT3=-O3
+CFLAGS_DEBUG=-g
+LD?=ld
+
+PARTIALLD=${LD} -r --whole-archive
+LDFLAGS_LIB=${LDFLAGS} -shared
+LDFLAGS_SONAME=-Wl,-soname=
+
+CC_LIB=${CC} ${LDFLAGS_LIB} -o ${LIBSO}
+endif

sys/static.sh

@@ -28,6 +28,12 @@ gmake --help >/dev/null 2>&1
 # find root
 cd "$(dirname "$PWD/$0")" ; cd ..
 
+musl-gcc --help > /dev/null 2>&1
+if [ $? = 0 ]; then
+	CFGARGS=--with-compiler=musl-gcc
+	export CC="musl-gcc"
+fi
+
 ccache --help > /dev/null 2>&1
 if [ $? = 0 ]; then
 	[ -z "${CC}" ] && CC=gcc
@@ -39,6 +45,8 @@ if [ -n "$1" ]; then
 else
 	PREFIX=/usr
 fi
+# CFGARGS=--disable-loadlibs
+CFGARGS=--without-openssl
 DOCFG=1
 if [ 1 = "${DOCFG}" ]; then
 	# build
@@ -48,12 +56,12 @@ if [ 1 = "${DOCFG}" ]; then
 	export CFLAGS="${CFLAGS} -fPIC"
 	cp -f dist/plugins-cfg/plugins.static.nogpl.cfg plugins.cfg
 	./configure-plugins || exit 1
-	#./configure --prefix="$PREFIX" --without-gpl --with-libr --without-libuv --disable-loadlibs || exit 1
-	./configure --prefix="$PREFIX" --without-gpl --with-libr --without-libuv || exit 1
+	./configure --prefix="$PREFIX" --without-gpl --with-libr --without-libuv $CFGARGS || exit 1
 fi
 ${MAKE} -j 8 || exit 1
 BINS="rarun2 rasm2 radare2 ragg2 rabin2 rax2 rahash2 rafind2 r2agent radiff2 r2r"
 # shellcheck disable=SC2086
+export CFLAGS="-static ${CFLAGS}"
 for a in ${BINS} ; do
 (
 	cd binr/$a