95 lines
3.1 KiB
Plaintext
95 lines
3.1 KiB
Plaintext
AC_INIT([lib6502-jit], [1.0], [lib6502-jit@lemma.co.uk])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([m4])
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AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects no-dist-gzip dist-bzip2])
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AM_MAINTAINER_MODE([enable])
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LT_INIT([disable-shared])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([Makefile])
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AC_REQUIRE_AUX_FILE([tap-driver.sh])
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# Copyright for configure.ac *only*
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AC_COPYRIGHT([Copyright (c) 2014 Steven Flintham])
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AC_DEFINE([PACKAGE_COPYRIGHT], ["(C) - see COPYING"], [Package copyright])
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# for tap-driver.sh
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AC_PROG_AWK
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AC_PROG_CC
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AC_PROG_CXX
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BOOST_REQUIRE
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BOOST_SMART_PTR
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BOOST_THREAD
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# I want to:
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# - use "llvm-config" (relying on PATH) if the user doesn't do anything
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# special, but
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# - allow the user to say --with-llvm-config=XXX to use XXX instead of
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# llvm-config, where XXX might need to be found on the PATH (e.g. if
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# the program is called llvm-config-3.5) or might be an absolute/
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# relative filename
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# In both of the above cases, I want to actually check explicitly the
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# llvm-config program can be found. This doesn't seem to be supported by
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# autoconf:
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# - AC_CHECK_PROG() and AC_PATH_PROG() both insist on the program name being a
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# leaf name with no included path.
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# - AC_CHECK_FILE() (not unreasonably) doesn't look on PATH for the file
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# (and wouldn't check for executability)
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# So I have to just hack it with "which" and hope.
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AC_ARG_WITH(
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[llvm-config],
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[AS_HELP_STRING(
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[--with-llvm-config=FILE],
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[filename of llvm-config executable (if not on PATH)])],
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[LLVMCONFIG="$withval"],
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[LLVMCONFIG="llvm-config"])
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echo -n "checking for $LLVMCONFIG... "
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AS_IF(
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[which "$LLVMCONFIG" >/dev/null],
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[echo yes],
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[echo no
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AC_MSG_ERROR([llvm-config not found; try --with-llvm-config=FILE?])])
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AC_SUBST(LLVMCONFIG)
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# These variables are sacred to the user. But we need to set them in order for
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# configure's test programs to find the LLVM headers. I am probably doing this
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# completely wrong. In twenty years or so maybe I will achieve auto-enlightenment
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# and look back at this and laugh.
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SACRED_CPPFLAGS="$CPPFLAGS"
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SACRED_CXXFLAGS="$CXXFLAGS"
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CPPFLAGS=["`$LLVMCONFIG --cppflags` $CPPFLAGS"]
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CXXFLAGS=["`$LLVMCONFIG --cxxflags` -fexceptions $CXXFLAGS"]
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AC_LANG(C++)
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# This header moves around a bit, check for the two known possible locations.
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AC_CHECK_HEADER(
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[llvm/IR/Verifier.h],
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[AC_DEFINE([HAVE_LLVM_IR_VERIFIER_H], 1, [Set to 1 if you have the "llvm/IR/Verifier.h" header file])])
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AC_CHECK_HEADER(
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[llvm/Analysis/Verifier.h],
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[AC_DEFINE([HAVE_LLVM_ANALYSIS_VERIFIER_H], 1, [Set to 1 if you have the "llvm/Analysis/Verifier.h" header file])])
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# TODO: Can I get configure to fail if neither of the previous tests
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# succeeds? Otherwise configure will succeed but the build will fail.
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# This header always exists, but DataLayoutPass isn't always present.
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AC_CHECK_HEADER(
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[llvm/IR/DataLayout.h],
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[],
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[AC_MSG_ERROR([llvm/IR/DataLayout.h not found])])
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AC_CHECK_TYPE(
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[llvm::DataLayoutPass],
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[AC_DEFINE([HAVE_LLVM_DATA_LAYOUT_PASS], 1, [Set to 1 if you have the llvm::DataLayoutPass class])],
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[],
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[#include "llvm/IR/DataLayout.h"])
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CPPFLAGS="$SACRED_CPPFLAGS"
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CXXFLAGS="$SACRED_CXXFLAGS"
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AC_OUTPUT
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