From 78fe77db0fbbfd9ec6c5c5e9c7107a7d92e8e37a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <soeren+github@soeren-tempel.net>
Date: Thu, 5 Jan 2023 20:44:27 +0000
Subject: [PATCH] Fix compatibility with musl libc / Alpine Linux (#3845)

---
 configure.ac          | 2 +-
 docs/CONTRIBUTORS     | 1 +
 include/verilated.cpp | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index a3234f364..cd7952cba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -355,7 +355,7 @@ AC_SUBST(CFG_CXXFLAGS_PROFILE)
 #_MY_CXX_CHECK_SET(CFG_CXXFLAGS_STD_NEWEST,-std=gnu++20)
 #_MY_CXX_CHECK_SET(CFG_CXXFLAGS_STD_NEWEST,-std=c++20)
 case "$(which lsb_release 2>&1 > /dev/null && lsb_release -d)" in
-*Arch*Linux* | *Ubuntu*22.04*)
+*Alpine*Linux* | *Arch*Linux* | *Ubuntu*22.04*)
 _MY_CXX_CHECK_SET(CFG_CXXFLAGS_STD_NEWEST,-std=gnu++17)
 _MY_CXX_CHECK_SET(CFG_CXXFLAGS_STD_NEWEST,-std=c++17)
 ;;
diff --git a/docs/CONTRIBUTORS b/docs/CONTRIBUTORS
index ea68406f2..0d5d98796 100644
--- a/docs/CONTRIBUTORS
+++ b/docs/CONTRIBUTORS
@@ -118,6 +118,7 @@ Sergi Granell
 Stefan Wallentowitz
 Stephen Henry
 Steven Hugg
+Sören Tempel
 Teng Huang
 Tim Snyder
 Tobias Rosenkranz
diff --git a/include/verilated.cpp b/include/verilated.cpp
index 7706ef039..2b1c6f997 100644
--- a/include/verilated.cpp
+++ b/include/verilated.cpp
@@ -67,7 +67,7 @@
 #if defined(_WIN32) || defined(__MINGW32__)
 # include <direct.h>  // mkdir
 #endif
-#ifdef __linux__
+#ifdef __GLIBC__
 # include <execinfo.h>
 # define _VL_HAVE_STACKTRACE
 #endif