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Use pkg-config for a system libjpeg if available: libjpeg-turbo has it

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Bug: https://github.com/ioquake/ioq3/pull/116
This commit is contained in:
Simon McVittie 2015-03-15 12:34:51 +00:00
parent 40cfbc9a82
commit 0fc86e9632
1 changed files with 4 additions and 5 deletions
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9
Makefile
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@ -1074,11 +1074,10 @@ ifeq ($(USE_INTERNAL_JPEG),1)
BASE_CFLAGS += -DUSE_INTERNAL_JPEG
BASE_CFLAGS += -I$(JPDIR)
else
# libjpeg doesn't have pkg-config yet, but let users override with
# "make JPEG_CFLAGS=-I/opt/jpeg/include JPEG_LIBS='-L/opt/jpeg/lib -ljpeg'"
# if they need to
JPEG_CFLAGS ?=
JPEG_LIBS ?= -ljpeg
# IJG libjpeg doesn't have pkg-config, but libjpeg-turbo uses libjpeg.pc;
# we fall back to hard-coded answers if libjpeg.pc is unavailable
JPEG_CFLAGS ?= $(shell pkg-config --silence-errors --cflags libjpeg || true)
JPEG_LIBS ?= $(shell pkg-config --silence-errors --libs libjpeg || echo -ljpeg)
BASE_CFLAGS += $(JPEG_CFLAGS)
RENDERER_LIBS += $(JPEG_LIBS)
endif