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Switch some annoying and wrong GCC warnings off.
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1 changed files with 27 additions and 0 deletions
27
Makefile
27
Makefile
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@ -43,6 +43,17 @@ else
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ARCH := $(shell uname -m | sed -e 's/i.86/i386/' -e 's/amd64/x86_64/' -e 's/^arm.*/arm/')
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endif
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# Detect the compiler
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ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
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COMPILER := clang
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COMPILERVER := $(shell $(CC) -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/')
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else ifeq ($(shell $(CC) -v 2>&1 | grep -c -E "(gcc version|gcc-Version)"), 1)
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COMPILER := gcc
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COMPILERVER := $(shell $(CC) -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/')
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else
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COMPILER := unknown
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endif
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# ----------
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# Base CFLAGS.
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@ -73,6 +84,22 @@ endif
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# ----------
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# Switch of some annoying warnings.
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ifeq ($(COMPILER), clang)
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# -Wno-missing-braces because otherwise clang complains
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# about totally valid 'vec3_t bla = {0}' constructs.
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CFLAGS += -Wno-missing-braces
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else ifeq ($(COMPILER), gcc)
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# GCC 8.0 or higher.
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ifeq ($(shell test $(COMPILERVER) -ge 80000; echo $$?),0)
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# -Wno-format-truncation and -Wno-format-overflow
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# because GCC spams about 50 false positives.
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CFLAGS += -Wno-format-truncation -Wno-format-overflow
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endif
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endif
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# ----------
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# Defines the operating system and architecture
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CFLAGS += -DOSTYPE=\"$(OSTYPE)\" -DARCH=\"$(ARCH)\"
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