diff options
Diffstat (limited to 'm4')
-rw-r--r-- | m4/popt.m4 | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/m4/popt.m4 b/m4/popt.m4 new file mode 100644 index 0000000..c5b79d8 --- /dev/null +++ b/m4/popt.m4 @@ -0,0 +1,73 @@ +# popt.m4 - Check for Popt +# +# Copyright 2012 Michael Steinert +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT +# SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR +# THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +#serial 1 + +# _AX_LIB_POPT +# ------------ +# Check for the Popt library and header file. If found the cache variable +# ax_cv_have_popt will be set to yes. +AC_DEFUN([_AX_LIB_POPT], +[dnl +ax_cv_have_popt=no +_ax_popt_h=no +_ax_popt_lib=no +AC_ARG_VAR([POPT_CFLAGS], [C compiler flags for Popt, overriding defaults]) +AC_ARG_VAR([POPT_LIBS], [linker flags for Popt, overriding defaults]) +AC_CHECK_HEADERS([popt.h], + [_ax_popt_h=yes],, + [$POPT_CFLAGS]) +AS_IF([test "x$POPT_LIBS" = "x"], + [AC_SEARCH_LIBS([poptGetContext], [popt], + [POPT_LIBS=-lpopt + _ax_popt_lib=yes])], + [_ax_popt_cflags=$CFLAGS + CFLAGS="$POPT_CFLAGS $CFLAGS" + _ax_popt_ldflags=$LDFLAGS + LDFLAGS="$POPT_LIBS $LDFLAGS" + AC_MSG_CHECKING([for libpopt]) + AC_TRY_LINK([#include <popt.h>], + [poptFreeContext(NULL)], + [AC_MSG_RESULT([$POPT_LIBS]) + _ax_popt_lib=yes], + [AC_MSG_RESULT([no])]) + CFLAGS=$_ax_popt_cflags + LDFLAGS=$_ax_popt_ldflags]) +AS_IF([test "x$_ax_popt_h" = "xyes" && \ + test "x$_ax_popt_lib" = "xyes"], + [ax_cv_have_popt=yes]) +])dnl + +# AX_LIB_POPT([ACTION-IF-TRUE], [ACTION-IF-FALSE]) +# ------------------------------------------------ +# Check is installed. If found the variable ax_have_popt will be set to yes. +# ACTION-IF-TRUE: commands to execute if Popt is installed +# ACTION-IF-FALSE: commands to execute if Popt is not installed +AC_DEFUN([AX_LIB_POPT], +[dnl +AC_CACHE_VAL([ax_cv_have_popt], [_AX_LIB_POPT]) +ax_have_popt=$ax_cv_have_popt +AS_IF([test "x$ax_have_popt" = "xyes"], + [AC_DEFINE([HAVE_POPT], [1], [Define to 1 if Popt is available.]) + $1], [$2]) +])dnl |