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(svn r7101) Evaluate the necessary flags for libpng once per make run, not every time the CFLAGS/LIBS variables are used

release/0.5
tron 2006-11-07 15:58:54 +00:00
parent 1dd5dfd3b3
commit e37b5d13bd
1 changed files with 6 additions and 4 deletions
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10
Makefile
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@ -469,20 +469,22 @@ endif
# libpng config
ifdef WITH_PNG
CDEFS += -DWITH_PNG
CFLAGS += $(shell $(LIBPNG_CONFIG) --cppflags --I_opts)
CCFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --cppflags --I_opts)
CFLAGS += $(CCFLAGS_PNG)
# seems like older libpng versions are broken and need this
PNGCONFIG_FLAGS = --ldflags --libs
ifdef STATIC
ifdef OSX
# Seems like we need a tiny hack for OSX static to work
LIBS += $(shell $(LIBPNG_CONFIG) --prefix)/lib/libpng.a
LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --prefix)/lib/libpng.a
else
LIBS += $(shell $(LIBPNG_CONFIG) --static $(PNGCONFIG_FLAGS))
LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --static $(PNGCONFIG_FLAGS))
endif
else
LIBS += $(shell $(LIBPNG_CONFIG) --L_opts $(PNGCONFIG_FLAGS))
LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --L_opts $(PNGCONFIG_FLAGS))
endif
LIBS += $(LDFLAGS_PNG)
endif
# use std C++ lib: