Pr/fix qemu launcher build - fixes 1785 (#1786)

* Fixing qemu_launcher build (#1785)

* Fixed the instructions for using the injection feature

fuzzers/qemu_launcher/Makefile.toml

@@ -211,6 +211,7 @@ ${CROSS_CXX} \
     "${TARGET_DIR}/build-png/.libs/libpng16.a" \
 	"${TARGET_DIR}/build-zlib/libz.a" \
     -I"${TARGET_DIR}/build-png" \
+    -I"${CARGO_MAKE_CRATE_TARGET_DIRECTORY}/deps/libpng-1.6.37" \
 	-I"${TARGET_DIR}/build-zlib/zlib/lib" \
 	-L"${TARGET_DIR}/build-zlib/zlib/lib" \
     -o"${TARGET_DIR}/libpng-harness-${CARGO_MAKE_PROFILE}" \

fuzzers/qemu_launcher/README.md

@@ -11,7 +11,7 @@ The following architectures are supported:
 * mips
 * ppc
 
-Note that the injection feature `-y` is currently only supported on x86_64
+Note that the injection feature `-j` is currently only supported on x86_64
 and aarch64.
 
 ## Prerequisites

fuzzers/qemu_launcher/injection_test/Makefile

@@ -1,10 +1,10 @@
 all: static sqltest
 
 sqltest:	sqltest.c
-	gcc -g -o sqltest sqltest.c -l sqlite3 -lm 
+	gcc -g -o sqltest sqltest.c -l sqlite3 -lm -lpthread 
 
 static:	sqltest.c
-	gcc -g -o static sqltest.c -l sqlite3 -lm -static
+	gcc -g -o static sqltest.c -l sqlite3 -lm -static -lpthread -ldl
 
 fuzz:	sqltest.c
 	afl-clang-fast -o fuzz sqltest.c -l sqlite3

fuzzers/qemu_launcher/injection_test/README.md

@@ -1,3 +1,8 @@
+## Prerequisites
+```bash
+sudo apt install libsqlite3-dev
+```
+
 # Injection test setup
 
 To build the injection test target:
@@ -6,5 +11,5 @@ To build the injection test target:
 To run qemu_launcher with the injection detection activated:
 
 ```
-target/release/qemu_launcher -y injections.yaml -i in -o out -- injection_test/static
+target/x86_64/release/qemu_launcher -j injections.yaml -i in -o out -- injection_test/static
 ```