From: Alan T. DeKok <aland@freeradius.org>
Date: Mon, 1 Nov 2021 11:52:19 +0000 (-0400)
Subject: magic to make fuzzers work
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d0368cc80d21346100f9ff3b60f4a0c95d2358a;p=thirdparty%2Ffreeradius-server.git

magic to make fuzzers work

when we have two "main" functions.
---

diff --git a/configure b/configure
index 2fa9f142fea..d13a6e369f5 100755
--- a/configure
+++ b/configure
@@ -15009,7 +15009,7 @@ fi
   if test "x$fsanitizeflags" != "x"; then
     fsanitizeflags="$(echo $fsanitizeflags | sed 's/^,*//')"
     devcflags="-fsanitize=$fsanitizeflags $devcflags"
-    devldflags="-fsanitize=$fsanitizeflags $devldflags"
+    devldflags="-fsanitize=$(echo $fsanitizeflags | sed 's/fuzzer/fuzzer-no-link/')  $devldflags"
   fi
 
         devcflags="$(echo $devcflags | sed -e 's/\\t//g;s/  //g')"
diff --git a/configure.ac b/configure.ac
index 8fe80cc5bf1..941858c8707 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1889,7 +1889,7 @@ if test "x$developer" = "xyes"; then
   if test "x$fsanitizeflags" != "x"; then
     fsanitizeflags="$(echo $fsanitizeflags | sed 's/^,*//')"
     devcflags="-fsanitize=$fsanitizeflags $devcflags"
-    devldflags="-fsanitize=$fsanitizeflags $devldflags"
+    devldflags="-fsanitize=$(echo $fsanitizeflags | sed 's/fuzzer/fuzzer-no-link/') $devldflags"
   fi
 
   dnl #
diff --git a/src/bin/fuzzer.mk b/src/bin/fuzzer.mk
index 339cf406baf..37f32183363 100644
--- a/src/bin/fuzzer.mk
+++ b/src/bin/fuzzer.mk
@@ -23,6 +23,7 @@ SOURCES			:= fuzzer.c
 TGT_PREREQS		:= libfreeradius-$(PROTOCOL).a
 
 TGT_LDLIBS		:= $(LIBS)
+TGT_LDFLAGS	:= -fsanitize=fuzzer
 
 FUZZER_CORPUS_DIR	:= src/tests/fuzzer-corpus