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- # ===========================================================================
- # https://www.gnu.org/software/autoconf-archive/ax_czmq.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_CZMQ([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
- #
- # DESCRIPTION
- #
- # Test for the CZMQ libraries of a particular version (or newer). The
- # default version tested for is 3.0.0.
- #
- # The macro tests for CZMQ libraries in the library/include path, and,
- # when provided, also in the path given by --with-czmq.
- #
- # This macro calls:
- #
- # AC_SUBST(CZMQ_CPPFLAGS) / AC_SUBST(CZMQ_LDFLAGS) / AC_SUBST(CZMQ_LIBS)
- #
- # And sets:
- #
- # HAVE_CZMQ
- #
- # LICENSE
- #
- # Copyright (c) 2016 Jeroen Meijer <jjgmeijer@gmail.com>
- #
- # Copying and distribution of this file, with or without modification, are
- # permitted in any medium without royalty provided the copyright notice
- # and this notice are preserved. This file is offered as-is, without any
- # warranty.
-
- #serial 2
-
- AC_DEFUN([AX_CZMQ], [
- AC_ARG_WITH([czmq], [AS_HELP_STRING([--with-czmq=<prefix>],[CZMQ prefix directory])], [
- CZMQ_LDFLAGS="-L${with_czmq}/lib"
- CZMQ_CPPFLAGS="-I${with_czmq}/include"
- ])
-
- HAVE_CZMQ=0
- if test "$with_czmq" != "no"; then
-
- LD_FLAGS="$LDFLAGS $CZMQ_LDFLAGS"
- CPPFLAGS="$CPPFLAGS $CZMQ_CPPFLAGS"
-
- AC_LANG_SAVE
- AC_LANG_C
- AC_CHECK_HEADER(czmq.h, [czmq_h=yes], [czmq_h=no])
- AC_LANG_RESTORE
-
- if test "$czmq_h" = "yes"; then
- version=ifelse([$1], ,3.0.0,$1)
- AC_MSG_CHECKING([for CZMQ version >= $version])
- version=$(echo $version | tr '.' ',')
- AC_EGREP_CPP([version_ok], [
- #include <czmq.h>
- #if defined(CZMQ_VERSION) && CZMQ_VERSION >= CZMQ_MAKE_VERSION($version)
- version_ok
- #endif
- ],[
- AC_MSG_RESULT(yes)
- HAVE_CZMQ=1
- CZMQ_LIBS="-lczmq"
- AC_SUBST(CZMQ_LDFLAGS)
- AC_SUBST(CZMQ_CPPFLAGS)
- AC_SUBST(CZMQ_LIBS)
- ], AC_MSG_RESULT([no valid CZMQ version was found]))
- else
- AC_MSG_WARN([no valid CZMQ installation was found])
- fi
-
- if test $HAVE_CZMQ = 1; then
- # execute ACTION-IF-FOUND (if present):
- ifelse([$2], , :, [$2])
- else
- # execute ACTION-IF-NOT-FOUND (if present):
- ifelse([$3], , :, [$3])
- fi
- else
- AC_MSG_NOTICE([not checking for CZMQ])
- fi
-
- AC_DEFINE(HAVE_CZMQ,,[define if the CZMQ library is available])
- ])
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