43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From dbc179ab026897be96651e7f9ca6026a3ebf540d Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 29 Feb 2024 21:20:59 +0000
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Subject: [PATCH] m4/guestfs-c.m4: Re-add ./configure --enable-werror
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Somewhere during removal of gnulib and splitting guestfs-tools from
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libguestfs, this option was lost. Re-add it simply by copying the
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configure fragment over from libguestfs.
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(cherry picked from commit 42426992a292b45611b00fcff42160854db09922)
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---
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m4/guestfs-c.m4 | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/m4/guestfs-c.m4 b/m4/guestfs-c.m4
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index bc7e3b2aa..67004d0a1 100644
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--- a/m4/guestfs-c.m4
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+++ b/m4/guestfs-c.m4
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@@ -29,6 +29,23 @@ test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
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AM_PROG_CC_C_O
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+AC_ARG_ENABLE([werror],
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+ [AS_HELP_STRING([--enable-werror],
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+ [turn on lots of GCC warnings (for developers)])],
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+ [case $enableval in
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+ yes|no) ;;
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+ *) AC_MSG_ERROR([bad value $enableval for werror option]) ;;
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+ esac
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+ gcc_warnings=$enableval],
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+ [gcc_warnings=no]
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+)
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+WARN_CFLAGS="-Wall"
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+AC_SUBST([WARN_CFLAGS])
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+if test "x$gcc_warnings" = "xyes"; then
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+ WERROR_CFLAGS="-Werror"
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+fi
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+AC_SUBST([WERROR_CFLAGS])
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+
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# Provide a global place to set CFLAGS. (Note that setting AM_CFLAGS
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# is no use because it doesn't override target_CFLAGS).
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#---
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