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dnl am-with-opentracing.m4 by Miroslav Zagorac <mzagorac@haproxy.com>
dnl
AC_DEFUN([AX_WITH_OPENTRACING], [
AC_ARG_WITH([opentracing],
[AS_HELP_STRING([--with-opentracing@<:@=DIR@:>@], [use OPENTRACING library @<:@default=yes@:>@])],
[with_opentracing="${withval}"],
[with_opentracing=yes]
)
AX_CHECK_NOEXCEPT([])
if test "${with_opentracing}" != "no"; then
HAVE_OPENTRACING=
OPENTRACING_CFLAGS=
OPENTRACING_CXXFLAGS=
OPENTRACING_CPPFLAGS=
OPENTRACING_LDFLAGS=
OPENTRACING_LIBS="-lopentracing"
if test -n "${with_opentracing}" -a "${with_opentracing}" != "yes" -a "${with_opentracing}" != "yes"; then
OPENTRACING_CPPFLAGS="-I${with_opentracing}/include"
if test "${with_opentracing}" != "/usr"; then
if test "`uname`" = "Linux"; then
OPENTRACING_LDFLAGS="-L${with_opentracing}/lib -Wl,--rpath,${with_opentracing}/lib"
elif test "`uname`" = "FreeBSD"; then
OPENTRACING_LDFLAGS="-L${with_opentracing}/lib -Wl,-rpath -Wl,${with_opentracing}/lib"
else
OPENTRACING_LDFLAGS="-L${with_opentracing}/lib -R${with_opentracing}/lib"
fi
fi
fi
AX_VARIABLES_STORE
LIBS="${LDFLAGS} ${OPENTRACING_LIBS}"
LDFLAGS="${LDFLAGS} ${OPENTRACING_LDFLAGS}"
CFLAGS="${CFLAGS} ${OPENTRACING_CFLAGS}"
CXXFLAGS="${CXXFLAGS} ${OPENTRACING_CXXFLAGS}"
CPPFLAGS="${CPPFLAGS} ${OPENTRACING_CPPFLAGS}"
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([
AC_LANG_PROGRAM(
[[#include <opentracing/dynamic_load.h>]],
[[std::string e;] [auto a = opentracing::DynamicallyLoadTracingLibrary("", e);]]
)],
[],
[AC_MSG_ERROR([OPENTRACING library not found])]
)
AC_CHECK_HEADER([opentracing/version.h], [], [AC_MSG_ERROR([OPENTRACING library headers not found])])
AC_LANG_POP([C++])
HAVE_OPENTRACING=yes
AX_VARIABLES_RESTORE
AC_MSG_NOTICE([OPENTRACING environment variables:])
AC_MSG_NOTICE([ OPENTRACING_CFLAGS=${OPENTRACING_CFLAGS}])
AC_MSG_NOTICE([ OPENTRACING_CXXFLAGS=${OPENTRACING_CXXFLAGS}])
AC_MSG_NOTICE([ OPENTRACING_CPPFLAGS=${OPENTRACING_CPPFLAGS}])
AC_MSG_NOTICE([ OPENTRACING_LDFLAGS=${OPENTRACING_LDFLAGS}])
AC_MSG_NOTICE([ OPENTRACING_LIBS=${OPENTRACING_LIBS}])
AC_SUBST([OPENTRACING_CFLAGS])
AC_SUBST([OPENTRACING_CXXFLAGS])
AC_SUBST([OPENTRACING_CPPFLAGS])
AC_SUBST([OPENTRACING_LDFLAGS])
AC_SUBST([OPENTRACING_LIBS])
fi
])
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