add file from andre.

SVN revision: 53847

legacy/ethumb/m4/efl_binary.m4

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+dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macro that check if a binary is built or not
+
+dnl Usage: EFL_ENABLE_BIN(binary)
+dnl Call AC_SUBST(BINARY_PRG) (BINARY is the uppercase of binary, - being transformed into _)
+dnl Define have_binary (- is transformed into _)
+dnl Define conditional BUILD_BINARY (BINARY is the uppercase of binary, - being transformed into _)
+
+AC_DEFUN([EFL_ENABLE_BIN],
+[
+
+m4_pushdef([UP], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
+m4_pushdef([DOWN], m4_translit([[$1]], [-A-Z], [_a-z]))dnl
+
+have_[]m4_defn([DOWN])="yes"
+
+dnl configure option
+
+AC_ARG_ENABLE([$1],
+   [AC_HELP_STRING([--disable-$1], [disable building of ]DOWN)],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       have_[]m4_defn([DOWN])="yes"
+    else
+       have_[]m4_defn([DOWN])="no"
+    fi
+   ])
+
+AC_MSG_CHECKING([whether to build ]DOWN[ binary])
+AC_MSG_RESULT([$have_[]m4_defn([DOWN])])
+
+if test "x$have_[]m4_defn([DOWN])" = "xyes"; then
+   UP[]_PRG=DOWN[${EXEEXT}]
+fi
+
+AC_SUBST(UP[]_PRG)
+
+AM_CONDITIONAL(BUILD_[]UP, test "x$have_[]m4_defn([DOWN])" = "xyes")
+
+AS_IF([test "x$have_[]m4_defn([DOWN])" = "xyes"], [$2], [$3])
+
+])
+
+
+dnl Macro that check if a binary is built or not
+
+dnl Usage: EFL_WITH_BIN(package, binary, default_value)
+dnl Call AC_SUBST(_binary) (_binary is the lowercase of binary, - being transformed into _ by default, or the value set by the user)
+
+AC_DEFUN([EFL_WITH_BIN],
+[
+
+m4_pushdef([DOWN], m4_translit([[$2]], [-A-Z], [_a-z]))dnl
+
+dnl configure option
+
+AC_ARG_WITH([$2],
+   [AC_HELP_STRING([--with-$2=PATH], [specify a specific path to ]DOWN[ @<:@default=$3@:>@])],
+   [_efl_with_binary=${withval}],
+   [_efl_with_binary=$(pkg-config --variable=prefix $1)/bin/$3])
+
+DOWN=${_efl_with_binary}
+AC_MSG_NOTICE(DOWN[ set to ${_efl_with_binary}])
+
+with_binary_[]m4_defn([DOWN])=${_efl_with_binary}
+
+AC_SUBST(DOWN)
+
+])