diff options
-rw-r--r-- | Makefile | 23 |
1 files changed, 22 insertions, 1 deletions
@@ -30,7 +30,7 @@ # define "CXFLAGS" to give extra flags to CC. # e.g. make CXFLAGS=-O to optimise -CXFLAGS ?=-O2 -D_FORTIFY_SOURCE=2 +CXFLAGS ?=-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE TCC = tcc UCLIBC_GCC = $(shell for nm in i386-uclibc-linux-gcc i386-uclibc-gcc; do which $$nm > /dev/null && { echo $$nm ; exit; } ; done; echo false No uclibc found ) #DIET_GCC = diet gcc @@ -76,6 +76,27 @@ ifeq ($(origin STRINGOPOVERFLOW), undefined) endif endif +ifeq ($(origin NOSTRICTOVERFLOW), undefined) + NOSTRICTOVERFLOW := $(shell $(CC) -Q --help=warning 2>&1 | grep "strict-overflow" | wc -l) + ifneq "$(NOSTRICTOVERFLOW)" "0" + CWFLAGS += -fno-strict-overflow + endif +endif + +ifeq ($(origin NODELETENULLPOINTER), undefined) + NODELETENULLPOINTER := $(shell $(CC) -Q --help=optimizers 2>&1 | grep "delete-null-pointer-checks" | wc -l) + ifneq "$(NODELETENULLPOINTER)" "0" + CWFLAGS += -fno-delete-null-pointer-checks + endif +endif + +ifeq ($(origin WRAPV), undefined) + WRAPV := $(shell $(CC) -Q --help=optimizers 2>&1 | grep "wrapv" | wc -l) + ifneq "$(WRAPV)" "0" + CWFLAGS += -fwrapv + endif +endif + ifdef DEBIAN CPPFLAGS += -DDEBIAN endif |