From: Christophe CURIS <[email protected]> Took the opportunity to rewrite the check using autoconf macros to generate a more compatible configure script.
Signed-off-by: Christophe CURIS <[email protected]> --- configure.ac | 7 +------ m4/wm_libmath.m4 | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 6 deletions(-) create mode 100644 m4/wm_libmath.m4 diff --git a/configure.ac b/configure.ac index d2e145d..83cf661 100644 --- a/configure.ac +++ b/configure.ac @@ -476,12 +476,7 @@ dnl dnl libWINGS uses math functions, check whether usage requires linking dnl against libm dnl -AC_CHECK_FUNC(atan,[mathneedslibm=no;LIBM=],[mathneedslibm=dunno]) -if test "x$mathneedslibm" = "xdunno" ; then - AC_CHECK_LIB(m, atan, [LIBM=-lm]) -fi -AC_SUBST(LIBM) - +WM_CHECK_LIBM dnl dnl libWINGS uses FcPatternDel from libfontconfig diff --git a/m4/wm_libmath.m4 b/m4/wm_libmath.m4 new file mode 100644 index 0000000..3ff2c46 --- /dev/null +++ b/m4/wm_libmath.m4 @@ -0,0 +1,32 @@ +# wm_libmath.m4 - Macros to check proper libMath usage for WINGs +# +# Copyright (c) 2013 Christophe Curis +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +# WM_CHECK_LIBM +# ------------- +# +# Checks the needed library link flags needed to have math lib +# Sets variable LIBM with the appropriates flags +AC_DEFUN_ONCE([WM_CHECK_LIBM], +[AC_CHECK_FUNC(atan, + [LIBM=], + [AC_CHECK_LIB(m, [atan], + [LIBM=-lm], + [AC_MSG_WARN(Could not find Math library, you may experience problems) + LIBM=] )] ) dnl +AC_SUBST(LIBM) dnl +]) -- 1.7.10.4 -- To unsubscribe, send mail to [email protected].
