From 85c3fe47292f4e4e47a1f58f1347cb1f6d03b37e Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Tue, 20 Oct 2020 15:31:52 +0200
Subject: [BUILD] add option to build the dnbd3-server with afl-fuzz support

The afl-fuzz support for the dnbd3-server requires an AFL C compiler
like afl-gcc and can be enabled with the CMake option DNBD3_SERVER_AFL.
---
 cmake/CheckAFLCCompiler.cmake | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 cmake/CheckAFLCCompiler.cmake

(limited to 'cmake')

diff --git a/cmake/CheckAFLCCompiler.cmake b/cmake/CheckAFLCCompiler.cmake
new file mode 100644
index 0000000..249248b
--- /dev/null
+++ b/cmake/CheckAFLCCompiler.cmake
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2020 Manuel Bentele <development@manuel-bentele.de>
+#
+
+# check if corresponding AFL C Compiler form original C compiler is available
+# if an AFL C compiler is available, then the path to the AFL C compiler is returned in AFL_C_COMPILER
+macro(check_afl_c_compiler AFL_C_COMPILER AFL_C_COMPILER_NAME C_COMPILER_PATH C_COMPILER_ID)
+    # determine AFL C compiler suffix from original C compiler ID
+    if(${C_COMPILER_ID} MATCHES "GNU")
+        set(AFL_C_COMPILER_SUFFIX "gcc")
+    elseif(${C_COMPILER_ID} MATCHES "Clang")
+        set(AFL_C_COMPILER_SUFFIX "clang")
+    else(${C_COMPILER_ID} MATCHES "Clang")
+        get_filename_component(AFL_C_COMPILER_SUFFIX ${C_COMPILER_PATH} NAME)
+    endif(${C_COMPILER_ID} MATCHES "GNU")
+
+    # define search file name and search for AFL C compiler program
+    set(AFL_C_COMPILER_SEARCH_NAME "afl-${AFL_C_COMPILER_SUFFIX}")
+    find_program(${AFL_C_COMPILER} NAMES ${AFL_C_COMPILER_SEARCH_NAME})
+
+    # return the AFL C compiler name to the caller
+    set(${AFL_C_COMPILER_NAME} ${AFL_C_COMPILER_SEARCH_NAME})
+endmacro(check_afl_c_compiler)
\ No newline at end of file
-- 
cgit v1.2.3-55-g7522