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Switch some annoying and wrang GCC warnings off.

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This commit is contained in:
Yamagi Burmeister 2018-10-25 19:34:12 +02:00
parent 2d6dd4117d
commit 1e37bf132d
1 changed files with 32 additions and 0 deletions
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32
Makefile
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@ -29,6 +29,22 @@ ifneq (,$(findstring MINGW,$(OSTYPE)))
OSTYPE := Windows
endif
# On Windows / MinGW $(CC) is undefined by default.
ifeq ($(YQ2_OSTYPE),Windows)
CC := gcc
endif
# Detect the compiler
ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
COMPILER := clang
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/')
else ifeq ($(shell $(CC) -v 2>&1 | grep -c -E "(gcc version|gcc-Version)"), 1)
COMPILER := gcc
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\}$$/&00/')
else
COMPILER := unknown
endif
# ----------
# Base CFLAGS.
@ -59,6 +75,22 @@ endif
# ----------
# Switch of some annoying warnings.
ifeq ($(COMPILER), clang)
# -Wno-missing-braces because otherwise clang complains
# about totally valid 'vec3_t bla = {0}' constructs.
CFLAGS += -Wno-missing-braces
else ifeq ($(COMPILER), gcc)
# GCC 8.0 or higher.
ifeq ($(shell test $(COMPILERVER) -ge 80000; echo $$?),0)
# -Wno-format-truncation and -Wno-format-overflow
# because GCC spams about 50 false positives.
CFLAGS += -Wno-format-truncation -Wno-format-overflow
endif
endif
# ----------
# Base LDFLAGS.
ifeq ($(OSTYPE), Darwin)
LDFLAGS := -shared -arch i386 -arch x86_64