355e919746
`src/gzip/rules.mk` compiles the internal zlib sources even when using the zlib development files provided by a host system. If the internal zlib development files are not present, FreeType fails to build from source. This patch ensures the internal zlib development files are only prerequisites when not using zlib development files on a host system. * src/gzip/rules.mk (GZIP_DRV_SRCS): Define conditionally.
82 lines
2.2 KiB
Makefile
82 lines
2.2 KiB
Makefile
#
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# FreeType 2 GZip support configuration rules
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#
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# Copyright (C) 2002-2023 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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# gzip driver directory
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#
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GZIP_DIR := $(SRC_DIR)/gzip
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# compilation flags for the driver
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#
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ifeq ($(SYSTEM_ZLIB),)
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GZIP_COMPILE := $(CC) $(ANSIFLAGS) \
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$I$(subst /,$(COMPILER_SEP),$(GZIP_DIR)) \
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$(INCLUDE_FLAGS) \
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$(FT_CFLAGS)
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else
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GZIP_COMPILE := $(CC) $(ANSIFLAGS) \
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$(INCLUDE_FLAGS) \
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$(FT_CFLAGS)
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endif
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# gzip support sources
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#
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# All source and header files get loaded by `ftgzip.c' only if SYSTEM_ZLIB
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# is not defined (regardless whether we have a `single' or a `multi' build).
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#
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ifeq ($(SYSTEM_ZLIB),)
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GZIP_DRV_SRCS := $(GZIP_DIR)/adler32.c \
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$(GZIP_DIR)/crc32.c \
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$(GZIP_DIR)/crc32.h \
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$(GZIP_DIR)/ftzconf.h \
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$(GZIP_DIR)/inffast.c \
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$(GZIP_DIR)/inffast.h \
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$(GZIP_DIR)/inffixed.h \
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$(GZIP_DIR)/inflate.c \
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$(GZIP_DIR)/inflate.h \
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$(GZIP_DIR)/inftrees.c \
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$(GZIP_DIR)/inftrees.h \
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$(GZIP_DIR)/zlib.h \
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$(GZIP_DIR)/zutil.c \
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$(GZIP_DIR)/zutil.h
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endif
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# gzip driver object(s)
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#
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# GZIP_DRV_OBJ is used during both `single' and `multi' builds
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#
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GZIP_DRV_OBJ := $(OBJ_DIR)/ftgzip.$O
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# gzip main source file
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#
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GZIP_DRV_SRC := $(GZIP_DIR)/ftgzip.c
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# gzip support - object
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#
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$(GZIP_DRV_OBJ): $(GZIP_DRV_SRC) $(GZIP_DRV_SRCS) $(FREETYPE_H)
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$(GZIP_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(GZIP_DRV_SRC))
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# update main driver object lists
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#
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DRV_OBJS_S += $(GZIP_DRV_OBJ)
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DRV_OBJS_M += $(GZIP_DRV_OBJ)
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# EOF
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