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--- tech:slurm [2020/04/08 17:39] – [Modules] kohofer
+++ tech:slurm [2020/04/24 11:41] – kohofer
@@ Line 357: / Line 357: @@
 ====== Modules ======
-===== Links =====
+===== GCC =====
+Commands to run to compile gcc-6.1.0
+  wget https://ftp.gnu.org/gnu/gcc/gcc-6.1.0/gcc-6.1.0.tar.bz2
+  tar xfj gcc-6.1.0.tar.bz2
+  cd gcc-6.1.0
+  ./contrib/download_prerequisites
+  ./configure --prefix=/opt/package/gcc/6.1.0 --disable-multilib
+  make
+In file included from ../.././libgcc/unwind-dw2.c:401:0:
+./md-unwind-support.h: In function ‘x86_64_fallback_frame_state’:
+./md-unwind-support.h:65:47: error: dereferencing pointer to incomplete type ‘struct ucontext’
+       sc = (struct sigcontext *) (void *) &uc_->uc_mcontext;
+                                               ^~
+../.././libgcc/shared-object.mk:14: recipe for target 'unwind-dw2.o' failed
+To fix do:
+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
+and replace line 61 with this:
+struct ucontext_t *uc_ = context->cfa;
+or comment the old line: /* struct ucontext *uc_ = context->cfa; */
+run make again
+===== Links =====
 http://www.walkingrandomly.com/?p=5680
 https://modules.readthedocs.io/en/latest/index.html