diff --git a/Makefile b/Makefile
index 2912a572a..df49cb007 100644
--- a/Makefile
+++ b/Makefile
@@ -116,14 +116,14 @@ ifneq ($(shell :; command -v brew),)
 BREW_PREFIX := $(shell brew --prefix)/opt
 $(info $$BREW_PREFIX is [${BREW_PREFIX}])
 ifeq ($(ENABLE_PYOSYS),1)
-CXXFLAGS += -I$(BREW_PREFIX)/boost/include/boost
-LINKFLAGS += -L$(BREW_PREFIX)/boost/lib -rpath /usr/local/lib
+CXXFLAGS += -I$(BREW_PREFIX)/boost/include
+LINKFLAGS += -L$(BREW_PREFIX)/boost/lib -L$(BREW_PREFIX)/boost-python3/lib
 endif
 CXXFLAGS += -I$(BREW_PREFIX)/readline/include
 LINKFLAGS += -L$(BREW_PREFIX)/readline/lib
 PKG_CONFIG_PATH := $(BREW_PREFIX)/libffi/lib/pkgconfig:$(PKG_CONFIG_PATH)
 PKG_CONFIG_PATH := $(BREW_PREFIX)/tcl-tk/lib/pkgconfig:$(PKG_CONFIG_PATH)
-export PATH := $(BREW_PREFIX)/bison/bin:$(BREW_PREFIX)/gettext/bin:$(BREW_PREFIX)/flex/bin:$(PATH)
+export PATH := $(BREW_PREFIX)/bison/bin:$(BREW_PREFIX)/gettext/bin:$(BREW_PREFIX)/flex/bin:$(BREW_PREFIX)/m4/bin:$(PATH)
 
 # macports search paths
 else ifneq ($(shell :; command -v port),)
@@ -374,13 +374,12 @@ endif
 
 ifeq ($(ENABLE_PYOSYS),1)
 # Detect name of boost_python library. Some distros use boost_python-py<version>, other boost_python<version>, some only use the major version number, some a concatenation of major and minor version numbers
-CHECK_BOOST_PYTHON = (echo "int main(int argc, char ** argv) {return 0;}" | $(CXX) -xc -o /dev/null $(shell $(PYTHON_CONFIG) --ldflags) -l$(1) - > /dev/null 2>&1 && echo "-l$(1)")
+CHECK_BOOST_PYTHON = (echo "int main(int argc, char ** argv) {return 0;}" | $(CXX) -xc -o /dev/null $(shell $(PYTHON_CONFIG) --ldflags) $(LINKFLAGS) -l$(1) - > /dev/null 2>&1 && echo "-l$(1)")
 BOOST_PYTHON_LIB ?= $(shell \
 	$(call CHECK_BOOST_PYTHON,boost_python-py$(subst .,,$(PYTHON_VERSION))) || \
 	$(call CHECK_BOOST_PYTHON,boost_python-py$(PYTHON_MAJOR_VERSION)) || \
 	$(call CHECK_BOOST_PYTHON,boost_python$(subst .,,$(PYTHON_VERSION))) || \
 	$(call CHECK_BOOST_PYTHON,boost_python$(PYTHON_MAJOR_VERSION)) || \
-	$(call CHECK_BOOST_PYTHON,boost_python) \
 )
 
 ifeq ($(BOOST_PYTHON_LIB),)
@@ -1145,3 +1144,6 @@ echo-cxx:
 
 .PHONY: all top-all abc test install install-abc docs clean mrproper qtcreator coverage vcxsrc mxebin
 .PHONY: config-clean config-clang config-gcc config-gcc-static config-afl-gcc config-gprof config-sudo
+
+echo-path:
+	@echo "$(PATH)"
\ No newline at end of file