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--- tech:slurm [2020/04/24 11:41] – kohofer
+++ tech:slurm [2020/04/24 15:09] – [GCC] kohofer
@@ Line 358: / Line 358: @@
 ===== GCC =====
+This take a long time!
 Commands to run to compile gcc-6.1.0
@@ Line 368: / Line 370: @@
   make
+After some time an error occurs, and the make process stops!
+<code>
+...
 In file included from ../.././libgcc/unwind-dw2.c:401:0:
 ./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
@@ Line 374: / Line 379: @@
                                                ^~
 ../.././libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
+</code>
-To fix do:
+To fix do: [[https://stackoverflow.com/questions/46999900/how-to-compile-gcc-6-4-0-with-gcc-7-2-in-archlinux|solution]]
-https://stackoverflow.com/questions/46999900/how-to-compile-gcc-6-4-0-with-gcc-7-2-in-archlinux
-vi /opt/packages/gcc-6.1.0/x86_64-pc-linux-gnu/libgcc/md-unwind-support.h
+  vi /opt/packages/gcc-6.1.0/x86_64-pc-linux-gnu/libgcc/md-unwind-support.h
-and replace line 61 with this:
+and replace/comment out line 61 with this:
+<code>
 struct ucontext_t *uc_ = context->cfa;
+</code>
+old line: /* struct ucontext *uc_ = context->cfa; */
+  make
+Next error:
+<code>
+../../.././libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:270:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined
+   struct sigaltstack handler_stack;
+</code>
+To fix see: [[https://github.com/llvm-mirror/compiler-rt/commit/8a5e425a68de4d2c80ff00a97bbcb3722a4716da?diff=unified|solution]]
+or [[https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81066]]
+Modify the files.
-or comment the old line: /* struct ucontext *uc_ = context->cfa; */
-run make again