From 7e5f9b857eb78c4c17a1321a5a5a55bb4afcf2c9 Mon Sep 17 00:00:00 2001
From: Andrew Benson <abenson@gmail.com>
Date: Tue, 16 Jun 2020 17:59:44 -0500
Subject: [PATCH] cmake: Make musl support more distro agnostic

---
 CMakeLists.txt | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e6d5c73cb..3efae8fa6b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -334,18 +334,11 @@ include_directories(BEFORE ${OPENSSL_INCLUDE_DIR})
 # Make everyone find the highwayhash includes
 include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/auxil/highwayhash)
 
-# Alpine support
-if ( ${CMAKE_SYSTEM_NAME} MATCHES Linux AND EXISTS /etc/os-release )
-    execute_process(
-        COMMAND grep -q alpine /etc/os-release
-        RESULT_VARIABLE os_release_alpine
-    )
-
-    if ( os_release_alpine EQUAL 0 )
-        find_package(FTS REQUIRED)
-        list(APPEND OPTLIBS ${FTS_LIBRARY})
-        include_directories(BEFORE ${FTS_INCLUDE_DIR})
-    endif ()
+# Determine if libfts is external to libc, i.e. musl
+find_package(FTS)
+if ( FTS_FOUND )
+    list(APPEND OPTLIBS ${FTS_LIBRARY})
+    include_directories(BEFORE ${FTS_INCLUDE_DIR})
 endif ()
 
 set(zeekdeps ${zeekdeps}