diff --git a/tools/7z/patches/7-zip-flags.patch b/tools/7z/patches/7-zip-flags.patch
new file mode 100644
index 0000000000..ed5b508401
--- /dev/null
+++ b/tools/7z/patches/7-zip-flags.patch
@@ -0,0 +1,27 @@
+--- a/CPP/7zip/7zip_gcc.mak
++++ b/CPP/7zip/7zip_gcc.mak
+@@ -18,13 +18,13 @@ PROGPATH_STATIC = $(O)/$(PROG)s
+ 
+ 
+ ifneq ($(CC), xlc)
+-CFLAGS_WARN_WALL = -Wall -Werror -Wextra
++CFLAGS_WARN_WALL = -Wall -Wextra
+ endif
+ 
+ # for object file
+ CFLAGS_BASE_LIST = -c
+ # CFLAGS_BASE_LIST = -S
+-CFLAGS_BASE = -O2 $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) \
++CFLAGS_BASE = $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) -D_GNU_SOURCE \
+  -DNDEBUG -D_REENTRANT -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
+  -fPIC
+ 
+@@ -192,7 +192,7 @@ all: $(O) $(PROGPATH) $(STATIC_TARGET)
+ $(O):
+ 	$(MY_MKDIR) $(O)
+ 
+-LFLAGS_ALL = -s $(MY_ARCH_2) $(LDFLAGS) $(LD_arch) $(OBJS) $(MY_LIBS) $(LIB2)
++LFLAGS_ALL = $(MY_ARCH_2) $(LDFLAGS) $(LD_arch) $(OBJS) $(MY_LIBS) $(LIB2)
+ $(PROGPATH): $(OBJS)
+ 	$(CXX) -o $(PROGPATH) $(LFLAGS_ALL)
+ 
diff --git a/tools/7z/patches/7-zip-musl.patch b/tools/7z/patches/7-zip-musl.patch
new file mode 100644
index 0000000000..cf3386e4de
--- /dev/null
+++ b/tools/7z/patches/7-zip-musl.patch
@@ -0,0 +1,59 @@
+--- a/C/CpuArch.c
++++ b/C/CpuArch.c
+@@ -421,8 +421,6 @@ BoolInt CPU_IsSupported_AES (void) { ret
+ 
+ #ifdef USE_HWCAP
+ 
+-#include <asm/hwcap.h>
+-
+   #define MY_HWCAP_CHECK_FUNC_2(name1, name2) \
+   BoolInt CPU_IsSupported_ ## name1() { return (getauxval(AT_HWCAP)  & (HWCAP_  ## name2)) ? 1 : 0; }
+ 
+--- a/C/Threads.c
++++ b/C/Threads.c
+@@ -257,7 +257,7 @@ WRes Thread_Create_With_CpuSet(CThread *
+       */
+ 
+       // ret2 =
+-      pthread_attr_setaffinity_np(&attr, sizeof(*cpuSet), cpuSet);
++      //pthread_attr_setaffinity_np(&attr, sizeof(*cpuSet), cpuSet);
+       // if (ret2) ret = ret2;
+       #endif
+     }
+@@ -267,14 +267,12 @@ WRes Thread_Create_With_CpuSet(CThread *
+     if (!ret)
+     {
+       p->_created = 1;
+-      /*
+       if (cpuSet)
+       {
+         // ret2 =
+         pthread_setaffinity_np(p->_tid, sizeof(*cpuSet), cpuSet);
+         // if (ret2) ret = ret2;
+       }
+-      */
+     }
+   }
+   // ret2 =
+--- a/C/Threads.h
++++ b/C/Threads.h
+@@ -19,6 +19,7 @@
+ #endif
+ 
+ #include <pthread.h>
++#include <sched.h>
+ 
+ #endif
+ 
+--- a/CPP/Windows/SystemInfo.cpp
++++ b/CPP/Windows/SystemInfo.cpp
+@@ -36,9 +36,6 @@
+ #endif
+ */
+ 
+-#ifdef MY_CPU_ARM_OR_ARM64
+-#include <asm/hwcap.h>
+-#endif
+ #endif
+ 
+ #ifdef __linux__