src/stage1/toolchain-pkgbuilds/gcc/0001-pthread-reentrant.patch.in


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--- trunk/gcc/config/riscv/linux.h	2018/01/03 10:03:58	256169
+++ trunk/gcc/config/riscv/linux.h	2018/02/13 11:21:01	257621
@@ -47,6 +47,8 @@
 
 #define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
 
+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
+
 #define LINK_SPEC "\
 -melf" XLEN_SPEC "lriscv \
 %{shared} \