pyrox.dev
RISC-V: Add upstream gcc patch to fix -pthread.
Fixes libmicrohttpd build.
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pkgs/development/compilers/gcc/7/default.nix
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pkgs/development/compilers/gcc/7/default.nix
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# The GNAT Makefiles did not pay attention to CFLAGS_FOR_TARGET for its
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# target libraries and tools.
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++ optional langAda ../gnat-cflags.patch
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-
++ optional langFortran ../gfortran-driving.patch;
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++ optional langFortran ../gfortran-driving.patch
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# https://gcc.gnu.org/ml/gcc-patches/2018-02/msg00633.html
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++ optional targetPlatform.isRiscV ./riscv-pthread-reentrant.patch;
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javaEcj = fetchurl {
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# The `$(top_srcdir)/ecj.jar' file is automatically picked up at
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pkgs/development/compilers/gcc/7/riscv-pthread-reentrant.patch
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pkgs/development/compilers/gcc/7/riscv-pthread-reentrant.patch
···
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Index: gcc/config/riscv/linux.h
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===================================================================
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--- a/gcc/config/riscv/linux.h (revision 257620)
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+++ b/gcc/config/riscv/linux.h (revision 257621)
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@@ -47,6 +47,8 @@
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#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
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+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
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+
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#define LINK_SPEC "\
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-melf" XLEN_SPEC "lriscv \
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%{shared} \