misc: Use CFLAGS that target C99 with POSIX 2008.1

(Matching upstream gutenprint)
This commit is contained in:
Solomon Peachy 2020-03-25 23:09:29 -04:00
parent ebf857e8fc
commit de3c90124c
1 changed files with 1 additions and 1 deletions

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@ -90,7 +90,7 @@ E=true
endif
# Flags
CFLAGS += -Wall -Wextra -Wformat-security -funit-at-a-time -g -Og -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -std=c99 # -Wconversion
CFLAGS += -Wall -Wextra -Wformat-security -funit-at-a-time -g -Og -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -std=c99 -D_POSIX_C_SOURCE=200809L # -Wconversion
LDFLAGS += $(shell pkg-config $(PKG_CONFIG_EXTRA) --libs libusb-1.0)
CPPFLAGS += $(shell pkg-config $(PKG_CONFIG_EXTRA) --cflags libusb-1.0)
# CPPFLAGS += -DLIBUSB_PRE_1_0_10