diff -ru blender-2.82.org/CMakeLists.txt blender-2.82/CMakeLists.txt
--- blender-2.82.org/CMakeLists.txt	2020-02-13 01:42:10.000000000 -0800
+++ blender-2.82/CMakeLists.txt	2020-02-28 03:28:50.491903370 -0800
@@ -848,6 +848,19 @@
   endif()
 endif()
 
+# musl-libc related checks (missing execinfo.h, and feenableexcept())
+include(CheckIncludeFiles)
+check_include_files(execinfo.h HAVE_EXECINFO_H)
+if (HAVE_EXECINFO_H)
+  add_definitions(-DHAVE_EXECINFO_H)
+endif()
+
+include(CheckLibraryExists)
+check_library_exists(m feenableexcept "fenv.h" HAVE_FEENABLEEXCEPT)
+if (HAVE_FEENABLEEXCEPT)
+  add_definitions(-DHAVE_FEENABLEEXCEPT)
+endif()
+
 # See TEST_SSE_SUPPORT() for how this is defined.
 
 # Do it globally, SSE2 is required for quite some time now.
diff -ru blender-2.78.orig/source/blender/blenlib/intern/system.c blender-2.78a/source/blender/blenlib/intern/system.c
--- blender-2.78.orig/source/blender/blenlib/intern/system.c	2016-10-25 09:59:23.000000000 +0000
+++ blender-2.78a/source/blender/blenlib/intern/system.c	2017-02-07 14:44:35.213040733 +0000
@@ -77,7 +77,7 @@
 {
 	/* ------------- */
 	/* Linux / Apple */
-#if defined(__linux__) || defined(__APPLE__)
+#if (defined(__linux__) && defined(HAVE_EXECINFO_H)) || defined(__APPLE__)
 
 #define SIZE 100
 	void *buffer[SIZE];
diff -ru blender-2.78.orig/source/creator/creator_signals.c blender-2.78a/source/creator/creator_signals.c
--- blender-2.78.orig/source/creator/creator_signals.c	2016-10-24 14:13:56.000000000 +0000
+++ blender-2.78a/source/creator/creator_signals.c	2017-02-07 14:47:01.888625973 +0000
@@ -309,7 +309,7 @@
 	 * set breakpoints on sig_handle_fpe */
 	signal(SIGFPE, sig_handle_fpe);
 
-# if defined(__linux__) && defined(__GNUC__)
+# if defined(__linux__) && defined(__GNUC__) && defined(HAVE_FEENABLEEXCEPT)
 	feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
 # endif /* defined(__linux__) && defined(__GNUC__) */
 # if defined(OSX_SSE_FPE)
--- a/source/blender/blenlib/intern/system.c	2019-07-30 21:05:30.702224608 +0200
+++ -	2019-07-30 21:13:21.535328709 +0200
@@ -38,10 +38,13 @@
 #  include <dbghelp.h>
 #  pragma warning(pop)
 #else
-#  include <execinfo.h>
 #  include <unistd.h>
 #endif
 
+#if (defined(__linux__) && defined(HAVE_EXECINFO_H)) || defined(__APPLE__)
+#  include <execinfo.h>
+#endif
+
 int BLI_cpu_support_sse2(void)
 {
 #if defined(__x86_64__) || defined(_M_X64)
--- a/intern/guardedalloc/intern/mallocn_intern.h	2019-07-24 09:41:39.000000000 +0200
+++ -	2019-10-20 00:03:13.450031866 +0200
@@ -40,7 +40,7 @@
 #undef HAVE_MALLOC_STATS
 #define USE_MALLOC_USABLE_SIZE /* internal, when we have malloc_usable_size() */
 
-#if defined(__linux__) || (defined(__FreeBSD_kernel__) && !defined(__FreeBSD__)) || \
+#if (defined(__FreeBSD_kernel__) && !defined(__FreeBSD__)) || \
     defined(__GLIBC__)
 #  include <malloc.h>
 #  define HAVE_MALLOC_STATS
--- a/intern/libc_compat/libc_compat.c
+++ b/intern/libc_compat/libc_compat.c
@@ -21,10 +21,10 @@
  * incompatible with the system libraries that Blender is built on. To solve
  * this we add a few -ffast-math symbols that can be missing. */
 
-#ifdef __linux__
 #  include <features.h>
 #  include <math.h>
 
+#ifdef __GLIBC__
 #  if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 31)
 
 double __exp_finite(double x);