# otf.m4 -- helper function to detect OTF libraries -*- Autoconf -*-
# Copyright (C) 2013 Galois, Inc.
#
# This library 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 3 of the License, or (at your option) any later
# version.
#
# This library 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 library. If not, see .
#
# To contact Galois, complete the Web form at
# or write to Galois, Inc., 421 Southwest 6th Avenue, Suite 300, Portland,
# Oregon, 97204-1622.
# GALOIS_PPAML_LIB_OPENTRACE(ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
# This macro expands the OTF_CFLAGS and OTF_LIBS variables, but it does not add
# them to CFLAGS or LIBS.
AC_DEFUN([GALOIS_PPAML_LIB_OPENTRACE], [
AC_REQUIRE([AC_PROG_SED])
otf_ok=whoKnows
# Check for otfconfig.
AC_PATH_PROG([OTFCONFIG], [otfconfig])
AC_ARG_VAR([OTFCONFIG], [path to otfconfig binary])
if test -z "$OTFCONFIG"; then
otf_ok=no
else
OTF_CFLAGS="`"$OTFCONFIG" --includes`"
OTF_LIBS="`"$OTFCONFIG" --libs`"
# Save CFLAGS and LIBS, and reset CFLAGS and LIBS to the OTF
# requirements.
SAVECFLAGS="$CFLAGS"
SAVELIBS="$LIBS"
CFLAGS="$OTF_CFLAGS"
LIBS="$OTF_LIBS"
# Try to compile using the CFLAGS.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include "],
[int x = otf_errno;])],
[otf_compile_headers=yes],
[otf_compile_headers=no])
# Try to compile using the libraries.
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include "],
[int x = otf_errno;])],
[otf_link=yes],
[otf_link=no])
# Did we pass?
if test \( "$otf_compile_headers" = "yes" \) -a \
\( "$otf_link" = "yes" \); then
otf_ok=yes
else
otf_ok=no
fi
# Restore CFLAGS and LIBS.
CFLAGS="$SAVECFLAGS"
LIBS="$SAVELIBS"
fi
# Execute the users' blocks.
if test "$otf_ok" = "yes"; then
AC_SUBST([OTF_CFLAGS])
AC_SUBST([OTF_LIBS])
ifelse([$1], , :, [$1])
else
ifelse([$2], , :, [$2])
fi
])