1 files changed, 8 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 441c2f1..2a99cf6 100644
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,13 @@ debug: ## compile a debug build
 
 coverage:  ## compile snuffleugpaus, and run the testsuite with coverage
         cd src; phpize
+ifeq ($(CC),clang)
+        cd src; CFLAGS="-fprofile-instr-generate -fcoverage-mapping" ./configure --enable-snuffleupagus
+        make -C src
+        LLVM_PROFILE_FILE="sp_%p_%m.profraw" TEST_PHP_ARGS='-q' REPORT_EXIT_STATUS=1 make -C src test
+        llvm-profdata-4.0 merge ./src/*.profraw -o ./src/sp.profdata
+        llvm-cov report -instr-profile=./src/sp.profdata ./src/modules/snuffleupagus.so
+else
         cd src; ./configure --enable-snuffleupagus --enable-coverage
         make -C src
         rm -Rf src/COV.html
@@ -28,6 +35,7 @@ coverage:  ## compile snuffleugpaus, and run the testsuite with coverage
         lcov --base-directory ./src --directory ./src -c -o ./src/COV.info --rc lcov_branch_coverage=1 
         lcov --remove src/COV.info '/usr/*' --remove src/COV.info '*tweetnacl.c' -o src/COV.info --rc lcov_branch_coverage=1
         genhtml -o src/COV.html ./src/COV.info  --branch-coverage
+endif
 
 bench: joomla  ## run the benchmark