Merge pull request #364 from fmatthew5876/cxxopt

Add math optimization flags

Author: carstene1ns

CMakeLists.txt

@@ -232,6 +232,11 @@ target_include_directories(
 	${CMAKE_CURRENT_SOURCE_DIR}/src/generated
 )
 
+# Optimize floating point math functions into intrinsics and don't check or set errno (i.e. sqrt(-1))
+if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+	target_compile_options(lcf PUBLIC "-fno-math-errno")
+endif()
+
 # endianess checking
 if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
 	include(TestBigEndian)

Makefile.am

@@ -22,6 +22,7 @@ liblcf_la_CPPFLAGS = \
 	-I$(srcdir)/src/generated
 liblcf_la_CXXFLAGS = \
 	-std=c++14 \
+	-fno-math-errno \
 	$(AM_CXXFLAGS) \
 	$(EXPAT_CFLAGS) \
 	$(ICU_CFLAGS)