icu,unrar: fix projects for fuzzintrospector (#7630)

* icu: fix for fuzz-introspector

* unrar: fix for fuzz-introspector

2 files changed, 5 insertions, 13 deletions

diff --git a/projects/icu/build.sh b/projects/icu/build.sh
index d0590719..2d8e3532 100755
--- a/projects/icu/build.sh
+++ b/projects/icu/build.sh
@@ -16,12 +16,6 @@
 #
 ################################################################################
 
-# Fuzz introspector uses LDFLAGS, so ensure LDFLAGS
-# is always set for other sanitizer options.
-if [ "$SANITIZER" != "introspector" ]; then
-  export LDFLAGS=""
-fi
-
 mkdir $WORK/icu
 cd $WORK/icu
 
@@ -39,7 +33,7 @@ export UBSAN_OPTIONS="detect_leaks=0"
 
 make -j$(nproc)
 
-$CXX $CXXFLAGS $LDFLAGS -std=c++11 -c $SRC/icu/icu4c/source/test/fuzzer/locale_util.cpp \
+$CXX $CXXFLAGS -std=c++11 -c $SRC/icu/icu4c/source/test/fuzzer/locale_util.cpp \
      -I$SRC/icu4c/source/test/fuzzer
 
 FUZZER_PATH=$SRC/icu/icu4c/source/test/fuzzer
@@ -48,7 +42,7 @@ FUZZERS=$FUZZER_PATH/*_fuzzer.cpp
 
 for fuzzer in $FUZZERS; do
   file=${fuzzer:${#FUZZER_PATH}+1}
-  $CXX $CXXFLAGS $LDFLAGS -std=c++11 \
+  $CXX $CXXFLAGS -std=c++11 \
     $fuzzer -o $OUT/${file/.cpp/} locale_util.o \
     -I$SRC/icu/icu4c/source/common -I$SRC/icu/icu4c/source/i18n -L$WORK/icu/lib \
     $LIB_FUZZING_ENGINE -licui18n -licuuc -licutu -licudata
diff --git a/projects/unrar/build.sh b/projects/unrar/build.sh
index e4f65811..5d09a2f1 100644
--- a/projects/unrar/build.sh
+++ b/projects/unrar/build.sh
@@ -20,11 +20,9 @@
 if [ "$SANITIZER" != "introspector" ]; then
   export LDFLAGS=""
 else
-  # We need to add -flto flags because the makefile in unrar does not
+  # We need to add -flto LDFLAGS because the makefile in unrar does not
   # pass cxxflags, which holds the -flto flag from fuzz-introspector.
-  # This should probably be updated in the future, namely, including
-  # -flto into LDFLAGS in OSS-Fuzz fuzz-introspector builds.
-  export LDFLAGS="${LDFLAGS} -flto"
+  export LDFLAGS="-flto"
 fi
 
 UNRAR_DEFINES="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DRAR_SMP -DRARDLL -DSILENT -DNOVOLUME"
@@ -37,7 +35,7 @@ CXXFLAGS="$CXXFLAGS -fno-sanitize=enum"
 
 # build 'lib'. This builds libunrar.a and libunrar.so
 # -fPIC is required for successful compilation.
-make CXX=$CXX LDFLAGS="$LDFLAGS" CXXFLAGS="$CXXFLAGS -fPIC $UNRAR_DEFINES $UNRAR_WNOS" \
+make CXX=$CXX LDFLAGS="${LDFLAGS}" CXXFLAGS="$CXXFLAGS -fPIC $UNRAR_DEFINES $UNRAR_WNOS" \
   -C $UNRAR_SRC_DIR lib
 
 # remove the .so file so that the linker links unrar statically.