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livetrax/libs/gtkmm2/scripts/macros.m4

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dnl
dnl Some macros needed for autoconf
dnl
dnl AL_PROG_GNU_M4(ACTION_NOT_FOUND)
dnl Check for GNU m4. (sun won't do.)
dnl
AC_DEFUN([AL_PROG_GNU_M4],[
AC_CHECK_PROGS(M4, gm4 m4, m4)
if test "$M4" = "m4"; then
AC_MSG_CHECKING(whether m4 is GNU m4)
if $M4 --version </dev/null 2>/dev/null | grep '^GNU [Mm]4 ' >/dev/null ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
if test "$host_vendor" = "sun"; then
$1
fi
fi
fi
])
dnl AL_PROG_GNU_MAKE(ACTION_NOT_FOUND)
dnl Check for GNU make (no sun make)
dnl
AC_DEFUN([AL_PROG_GNU_MAKE],[
dnl
dnl Check for GNU make (stolen from gtk+/configure.in)
AC_MSG_CHECKING(whether make is GNU Make)
if $ac_make --version 2>/dev/null | grep '^GNU Make ' >/dev/null ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
if test "$host_vendor" = "sun" ; then
$1
fi
fi
])
dnl AL_ACLOCAL_INCLUDE(macrodir)
dnl Add a directory to macro search (from gnome)
AC_DEFUN([AL_ACLOCAL_INCLUDE],
[
test "x$ACLOCAL_FLAGS" = "x" || ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"
for dir in $1
do
ACLOCAL="$ACLOCAL -I $srcdir/$dir"
done
])
## GTKMM_ARG_ENABLE_WARNINGS()
##
## Provide the --enable-warnings configure argument, set to 'minimum'
## by default.
##
AC_DEFUN([GTKMM_ARG_ENABLE_WARNINGS],
[
AC_ARG_ENABLE([warnings],
[ --enable-warnings=[[none|minimum|maximum|hardcore]]
Control compiler pickyness. [[default=minimum]]],
[gtkmm_enable_warnings="$enableval"],
[gtkmm_enable_warnings='minimum'])
AC_MSG_CHECKING([for compiler warning flags to use])
gtkmm_warning_flags=''
case "$gtkmm_enable_warnings" in
minimum|yes) gtkmm_warning_flags='-Wall';;
maximum) gtkmm_warning_flags='-pedantic -W -Wall';;
hardcore) gtkmm_warning_flags='-pedantic -W -Wall -Werror';;
esac
gtkmm_use_flags=''
if test "x$gtkmm_warning_flags" != "x"
then
echo 'int foo() { return 0; }' > conftest.cc
for flag in $gtkmm_warning_flags
do
# Test whether the compiler accepts the flag. GCC doesn't bail
# out when given an unsupported flag but prints a warning, so
# check the compiler output instead.
gtkmm_cxx_out="`$CXX $flag -c conftest.cc 2>&1`"
rm -f conftest.$OBJEXT
test "x${gtkmm_cxx_out}" = "x" && \
gtkmm_use_flags="${gtkmm_use_flags:+$gtkmm_use_flags }$flag"
done
rm -f conftest.cc
gtkmm_cxx_out=''
fi
if test "x$gtkmm_use_flags" != "x"
then
for flag in $gtkmm_use_flags
do
case " $CXXFLAGS " in
*" $flag "*) ;; # don't add flags twice
*) CXXFLAGS="${CXXFLAGS:+$CXXFLAGS }$flag";;
esac
done
else
gtkmm_use_flags='none'
fi
AC_MSG_RESULT([$gtkmm_use_flags])
])