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Fix CentOS7 build with GCC 4.8 by specifying C99 standard. (#325)

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Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2022-08-22 23:38:21 -05:00
committed by GitHub
parent c8671d54f7
commit 9011ab0520
1 changed files with 9 additions and 1 deletions
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apps/Makefile
+9 -1
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@@ -93,10 +93,17 @@ endif
BACNET_PORT_DIR = $(realpath ../ports/$(BACNET_PORT)) BACNET_PORT_DIR = $(realpath ../ports/$(BACNET_PORT))
BACNET_SRC_DIR = $(realpath ../src) BACNET_SRC_DIR = $(realpath ../src)
# Compiler flag to set the C Standard level.
# c89 - "ANSI" C
# gnu89 - c89 plus GCC extensions
# c99 - ISO C99 standard (not yet fully implemented)
# gnu99 - c99 plus GCC extensions
CSTANDARD = -std=gnu99
#build for release (default) or debug #build for release (default) or debug
OPTIMIZATION ?= -Os OPTIMIZATION ?= -Os
DEBUGGING ?= DEBUGGING ?=
WARNINGS ?= -Wall -Wmissing-prototypes WARNINGS ?= -Wall -Wmissing-prototypes -Wno-missing-braces
# dead code removal # dead code removal
ifeq (${BUILD},debug) ifeq (${BUILD},debug)
OPTIMIZATION = -O0 OPTIMIZATION = -O0
@@ -117,6 +124,7 @@ BACNET_DEFINES += -DBACNET_PROTOCOL_REVISION=24
# put all the flags together # put all the flags together
INCLUDES = -I$(BACNET_SRC_DIR) -I$(BACNET_PORT_DIR) INCLUDES = -I$(BACNET_SRC_DIR) -I$(BACNET_PORT_DIR)
CFLAGS += $(WARNINGS) $(DEBUGGING) $(OPTIMIZATION) $(BACNET_DEFINES) $(INCLUDES) CFLAGS += $(WARNINGS) $(DEBUGGING) $(OPTIMIZATION) $(BACNET_DEFINES) $(INCLUDES)
CFLAGS += $(CSTANDARD)
ifneq (${BACNET_LIB},) ifneq (${BACNET_LIB},)
LFLAGS += -Wl,$(BACNET_LIB) LFLAGS += -Wl,$(BACNET_LIB)
endif endif