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authorEric Anholt <eric@anholt.net>2009-04-08 14:17:40 -0700
committerKristian Høgsberg <krh@redhat.com>2009-04-14 10:35:44 -0400
commit181cc08c8908a119fc403f970dea8cc98d3e0b9b (patch)
treec0415b1e33715c5282e0464dd7628e048076befe /m4
parent4474c200a102feda72f9572a96cb588009aa0147 (diff)
Add shave so that we can see the steaming piles of warnings generated.
The old style output can be reenabled for build system debugging using "make V=1", or --disable-shave at configure time.
Diffstat (limited to 'm4')
-rw-r--r--m4/shave.m473
1 files changed, 73 insertions, 0 deletions
diff --git a/m4/shave.m4 b/m4/shave.m4
new file mode 100644
index 000000000..0c2c9f5a0
--- /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)
+])
+