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# otf.m4 -- helper function to detect OTF libraries -*- Autoconf -*-
# Copyright (C) 2013, 2014 Galois, Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. Neither Galois's name nor the names of other contributors may be used to
# endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY GALOIS AND OTHER CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL GALOIS OR OTHER CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# 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 <otf.h>"],
[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 <otf.h>"],
[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
])
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