[PATCH 3/4] Add shave so that we can see the steaming piles of warnings generated.
Eric Anholt
eric at anholt.net
Wed Apr 8 14:17:40 PDT 2009
The old style output can be reenabled for build system debugging using
"make V=1", or --disable-shave at configure time.
---
.gitignore | 2 +
configure.ac | 7 +++++
m4/shave.m4 | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++
shave-libtool.in | 69 +++++++++++++++++++++++++++++++++++++++++++++++++
shave.in | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 227 insertions(+), 0 deletions(-)
create mode 100644 m4/shave.m4
create mode 100644 shave-libtool.in
create mode 100644 shave.in
diff --git a/.gitignore b/.gitignore
index df9006a..3fb73f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,8 @@ install-sh
libtool
ltmain.sh
missing
+shave
+shave-libtool
TAGS
tags
cscope*
diff --git a/configure.ac b/configure.ac
index 81481dc..5d0d3fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,11 @@ AC_CONFIG_SRCDIR([Makefile.am])
AM_INIT_AUTOMAKE([dist-bzip2 foreign])
AM_MAINTAINER_MODE
+AC_CONFIG_FILES([
+ shave
+ shave-libtool
+])
+
# Require xorg-macros version 1.2.0 or newer for XORG_CHANGELOG and
# XORG_CWARNFLAGS
m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.2 or later before running autoconf/autogen])])
@@ -1878,6 +1883,8 @@ AC_SUBST([prefix])
XORG_MANPAGE_SECTIONS
XORG_CHANGELOG
+SHAVE_INIT([.], [enable])
+
AC_OUTPUT([
Makefile
glx/Makefile
diff --git a/m4/shave.m4 b/m4/shave.m4
new file mode 100644
index 0000000..0c2c9f5
--- /dev/null
+++ b/m4/shave.m4
@@ -0,0 +1,73 @@
+dnl Make automake/libtool output more friendly to humans
+dnl
+dnl SHAVE_INIT([shavedir],[default_mode])
+dnl
+dnl shavedir: the directory where the shave scripts are, it defaults to
+dnl $(top_builddir)
+dnl default_mode: (enable|disable) default shave mode. This parameter
+dnl controls shave's behaviour when no option has been
+dnl given to configure. It defaults to disable.
+dnl
+dnl * SHAVE_INIT should be called late in your configure.(ac|in) file (just
+dnl before AC_CONFIG_FILE/AC_OUTPUT is perfect. This macro rewrites CC and
+dnl LIBTOOL, you don't want the configure tests to have these variables
+dnl re-defined.
+dnl * This macro requires GNU make's -s option.
+
+AC_DEFUN([_SHAVE_ARG_ENABLE],
+[
+ AC_ARG_ENABLE([shave],
+ AS_HELP_STRING(
+ [--enable-shave],
+ [use shave to make the build pretty [[default=$1]]]),,
+ [enable_shave=$1]
+ )
+])
+
+AC_DEFUN([SHAVE_INIT],
+[
+ dnl you can tweak the default value of enable_shave
+ m4_if([$2], [enable], [_SHAVE_ARG_ENABLE(yes)], [_SHAVE_ARG_ENABLE(no)])
+
+ if test x"$enable_shave" = xyes; then
+ dnl where can we find the shave scripts?
+ m4_if([$1],,
+ [shavedir="$ac_pwd"],
+ [shavedir="$ac_pwd/$1"])
+ AC_SUBST(shavedir)
+
+ dnl make is now quiet
+ AC_SUBST([MAKEFLAGS], [-s])
+ AC_SUBST([AM_MAKEFLAGS], ['`test -z $V && echo -s`'])
+
+ dnl we need sed
+ AC_CHECK_PROG(SED,sed,sed,false)
+
+ dnl substitute libtool
+ SHAVE_SAVED_LIBTOOL=$LIBTOOL
+ LIBTOOL="${SHELL} ${shavedir}/shave-libtool '${SHAVE_SAVED_LIBTOOL}'"
+ AC_SUBST(LIBTOOL)
+
+ dnl substitute cc/cxx
+ SHAVE_SAVED_CC=$CC
+ SHAVE_SAVED_CXX=$CXX
+ SHAVE_SAVED_FC=$FC
+ SHAVE_SAVED_F77=$F77
+ CC="${SHELL} ${shavedir}/shave cc ${SHAVE_SAVED_CC}"
+ CXX="${SHELL} ${shavedir}/shave cxx ${SHAVE_SAVED_CXX}"
+ FC="${SHELL} ${shavedir}/shave fc ${SHAVE_SAVED_FC}"
+ F77="${SHELL} ${shavedir}/shave f77 ${SHAVE_SAVED_F77}"
+ AC_SUBST(CC)
+ AC_SUBST(CXX)
+ AC_SUBST(FC)
+ AC_SUBST(F77)
+
+ V=@
+ else
+ V=1
+ fi
+ Q='$(V:1=)'
+ AC_SUBST(V)
+ AC_SUBST(Q)
+])
+
diff --git a/shave-libtool.in b/shave-libtool.in
new file mode 100644
index 0000000..1f3a720
--- /dev/null
+++ b/shave-libtool.in
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+# we need sed
+SED=@SED@
+if test -z "$SED" ; then
+SED=sed
+fi
+
+lt_unmangle ()
+{
+ last_result=`echo $1 | $SED -e 's#.libs/##' -e 's#[0-9a-zA-Z_\-\.]*_la-##'`
+}
+
+# the real libtool to use
+LIBTOOL="$1"
+shift
+
+# if 1, don't print anything, the underlaying wrapper will do it
+pass_though=0
+
+# scan the arguments, keep the right ones for libtool, and discover the mode
+preserved_args=
+while test "$#" -gt 0; do
+ opt="$1"
+ shift
+
+ case $opt in
+ --mode=*)
+ mode=`echo $opt | $SED -e 's/[-_a-zA-Z0-9]*=//'`
+ preserved_args="$preserved_args $opt"
+ ;;
+ -o)
+ lt_output="$1"
+ preserved_args="$preserved_args $opt"
+ ;;
+ *)
+ preserved_args="$preserved_args $opt"
+ ;;
+ esac
+done
+
+case "$mode" in
+compile)
+ # shave will be called and print the actual CC/CXX/LINK line
+ preserved_args="$preserved_args --shave-mode=$mode"
+ pass_though=1
+ ;;
+link)
+ preserved_args="$preserved_args --shave-mode=$mode"
+ Q=" LINK "
+ ;;
+*)
+ # let's u
+ # echo "*** libtool: Unimplemented mode: $mode, fill a bug report"
+ ;;
+esac
+
+lt_unmangle "$lt_output"
+output=$last_result
+
+if test -z $V; then
+ if test $pass_though -eq 0; then
+ echo "$Q$output"
+ fi
+ $LIBTOOL --silent $preserved_args
+else
+ echo $LIBTOOL $preserved_args
+ $LIBTOOL $preserved_args
+fi
diff --git a/shave.in b/shave.in
new file mode 100644
index 0000000..174641e
--- /dev/null
+++ b/shave.in
@@ -0,0 +1,76 @@
+#!/bin/sh
+
+# we need sed
+SED=@SED@
+if test -z "$SED" ; then
+SED=sed
+fi
+
+lt_unmangle ()
+{
+ last_result=`echo $1 | $SED -e 's#.libs/##' -e 's#[0-9a-zA-Z_\-\.]*_la-##'`
+}
+
+# the tool to wrap (cc, cxx, ar, ranlib, ..)
+tool="$1"
+shift
+
+# the reel tool (to call)
+REEL_TOOL="$1"
+shift
+
+pass_through=0
+preserved_args=
+while test "$#" -gt 0; do
+ opt="$1"
+ shift
+
+ case $opt in
+ --shave-mode=*)
+ mode=`echo $opt | $SED -e 's/[-_a-zA-Z0-9]*=//'`
+ ;;
+ -o)
+ lt_output="$1"
+ preserved_args="$preserved_args $opt"
+ ;;
+ *)
+ preserved_args="$preserved_args $opt"
+ ;;
+ esac
+done
+
+# mode=link is handled in the libtool wrapper
+case "$mode,$tool" in
+link,*)
+ pass_through=1
+ ;;
+*,cxx)
+ Q=" CXX "
+ ;;
+*,cc)
+ Q=" CC "
+ ;;
+*,fc)
+ Q=" FC "
+ ;;
+*,f77)
+ Q=" F77 "
+ ;;
+*,*)
+ # should not happen
+ Q=" CC "
+ ;;
+esac
+
+lt_unmangle "$lt_output"
+output=$last_result
+
+if test -z $V; then
+ if test $pass_through -eq 0; then
+ echo "$Q$output"
+ fi
+ $REEL_TOOL $preserved_args
+else
+ echo $REEL_TOOL $preserved_args
+ $REEL_TOOL $preserved_args
+fi
--
1.6.2.1
More information about the xorg
mailing list