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-rw-r--r--README7
1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index 0354db12d..16bd9a78b 100644
--- a/README
+++ b/README
@@ -132,6 +132,13 @@ First configure ghdl and specify where llvm is installed
$ ./configure --with-llvm=PREFIX
where PREFIX/bin/llvm-config is present
+If you want to have stack backtraces on errors (like assert failure or
+index of out bounds), you need to configure and build libbacktrace from gcc
+(you don't need to configure gcc), and add to configure:
+ --with-backtrace-lib=/path-to-gcc-build/libbacktrace/.libs/libbacktrace.a
+
+Then build with 'make' and install with 'make install'.
+
Notes for developpers
*********************