travis: code coverage, maybe?

.travis.yml

@@ -1,3 +1,5 @@
 language: cpp
 script: ./travis-linux
 sudo: required
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

build/Makefile.linux

@@ -41,14 +41,15 @@ ZSTD_LIB = $(ZSTD)/libzstd.a
 # Flags
 CC = gcc
 CXX = g++
+OPTIMIZATIONS = -O3
 CPUS:=$(shell nproc)
-CFLAGS = -I $(SQLITE) -I $(PARQUET_CPP)/src -I $(ARROW)/cpp/src -O3 -std=c++11 -Wall -fPIC -g
+CFLAGS = -I $(SQLITE) -I $(PARQUET_CPP)/src -I $(ARROW)/cpp/src $(OPTIMIZATIONS) -std=c++11 -Wall -fPIC -g
 
 ALL_LIBS = $(PARQUET_CPP_LIB) $(LZ4_LIB) $(ZSTD_LIB) $(THRIFT_LIB) $(SNAPPY_LIB) $(ARROW_LIB) \
 	  $(ICU_I18N_LIB) $(ICU_UC_LIB) $(ICU_DATA_LIB) \
 	  $(BROTLI_ENC_LIB) $(BROTLI_COMMON_LIB) $(BROTLI_DEC_LIB) $(BOOST_REGEX_LIB) $(BOOST_SYSTEM_LIB) $(BOOST_FILESYSTEM_LIB)
 
-LDFLAGS = -O3 \
+LDFLAGS = $(OPTIMIZATIONS) \
 	  -Wl,--whole-archive $(ALL_LIBS) \
 	  -Wl,--no-whole-archive -lz -lcrypto -lssl
 OBJ = parquet.o parquet_filter.o parquet_table.o parquet_cursor.o

make-linux

@@ -95,7 +95,13 @@ main() {
   if [ -v PREBUILT ]; then
     fetch_prebuilt_libs
   fi
-  make ${lib_locs[@]-} "$@"
+
+  optimizations="-O3"
+  if [ -v COVERAGE ]; then
+    optimizations="-fprofile-arcs -ftest-coverage"
+  fi
+
+  make ${lib_locs[@]-} "$@" OPTIMIZATIONS="$optimizations"
 }
 
 main "$@"

travis-linux

@@ -4,5 +4,5 @@ set -euo pipefail
 sudo apt-get install software-properties-common
 sudo add-apt-repository --yes ppa:george-edison55/cmake-3.x
 sudo apt-get update
-PREBUILT=1 ./make-linux
+COVERAGE=1 PREBUILT=1 ./make-linux
 ./tests/test-all