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scripts: Set the compiler warning options to "-Wall -Wextra -Wundef"

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Considering that "-Wextra" is a more descriptive alternative to "-W",
and that "-Wundef" is a highly useful warning option that has been
available in ancient versions of gcc (version 2.x), we replace all
occurrences of "-W -Wall" with "-Wall -Wextra -Wundef".

Also clean up the makefiles.
This commit is contained in:
Cosmin Truta
2022-09-14 21:18:20 +03:00
parent 8b7b99c1db
commit c64655d058
25 changed files with 97 additions and 107 deletions
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4
scripts/makefile.freebsd
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@@ -1,5 +1,5 @@
# makefile for libpng under FreeBSD
# Copyright (C) 2020 Cosmin Truta
# Copyright (C) 2020-2022 Cosmin Truta
# Copyright (C) 2014 Glenn Randers-Pehrson and Andrey A. Chernov
# Copyright (C) 2002, 2007, 2009 Glenn Randers-Pehrson and Andrey A. Chernov
#
@@ -38,7 +38,7 @@ LDADD+= -lm -lz
DPADD+= ${LIBM} ${LIBZ}
CPPFLAGS+= -I. -I${ZLIBINC}
CFLAGS+= -W -Wall
CFLAGS+= -Wall -Wextra -Wundef
# Pre-built configuration
# See scripts/pnglibconf.mak for more options