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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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6
scripts/makefile.msys
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@@ -1,5 +1,5 @@
# makefile for libpng using MSYS/gcc (shared, static library)
# Copyright (C) 2019-2020 Cosmin Truta
# Copyright (C) 2019-2022 Cosmin Truta
# Copyright (C) 2012 Glenn Randers-Pehrson and Christopher M. Wheeler
#
# Portions taken from makefile.linux and makefile.gcc:
@@ -44,8 +44,8 @@ MKDIR_P=mkdir -p
LN_SF=ln -sf
CPPFLAGS = # -DPNG_DEBUG=5
CFLAGS = -W -Wall -O2 # -g
LDFLAGS =
CFLAGS = -O2 -Wall -Wextra -Wundef # -g
LDFLAGS = # -g
LIBS = -lz -lm
# File extensions