norm_common

#!/bin/bash

OURNAME=`basename -- $0`
CACHEDIR="$HOME/.cache/norm"
LIBSUFFIX=so
[[ $OSTYPE == *darwin* ]] && LIBSUFFIX=dylib

NUMCPU=`getconf _NPROCESSORS_ONLN`
[ -z "$NUMCPU" ] && NUMCPU=1
NUMJOBS=$NUMCPU
(( $NUMJOBS > 10 )) && NUMJOBS=10
[[ $CC == distcc* ]] && NUMJOBS=`distcc -j`
[[ -z $CC ]] && export CC=cc
[[ -z $CXX ]] && export CXX=c++

## find shasum binary
SHASUM_BIN=shasum
hash $SHASUM_BIN 2>/dev/null || SHASUM_BIN=sha1sum

## since we use -march=native, i7 binaries won't run on core2 -- add arch to machine id
GCCARCH=`(gcc -march=native -Q --help=target || true) 2>&1 | grep -- '^ *-march=' | awk '{ print $2 }' || true`
if [[ $GCCARCH == "" ]]; then
    GCCARCH=`clang -v -xc /dev/null -O3 -march=native -o- -E 2>&1 | grep -o 'target-cpu \w*'|awk '{print $2}' || true`
fi

## get machine id for later
LIBC_VERSION=
case $OSTYPE in
    *linux*)
        LIBC_VERSION=`(getconf GNU_LIBC_VERSION || true) 2>/dev/null|awk '{ print $NF }'`
        [[ -n $LIBC_VERSION ]] && LIBC_VERSION=".$LIBC_VERSION"
        ;;
esac
MACHINEID="${BASH_VERSINFO[5]}$LIBC_VERSION"
[ -n "$GCCARCH" ] && MACHINEID+=".$GCCARCH"
[ -z "${debian_chroot:-}" -a -r /etc/debian_chroot ] && debian_chroot=$(cat /etc/debian_chroot)
[ -n "$debian_chroot" ] && MACHINEID+=".$debian_chroot"
unset LIBC_VERSION

if [[ $OSTYPE == *darwin* ]]; then
    NORM_OSX_VERSION=$(/usr/bin/sw_vers -productVersion)
    [[ $NORM_OSX_VERSION =~ ^([0-9]+)\.([0-9]+)\. ]] && NORM_OSX_VERSION="${BASH_REMATCH[1]}.${BASH_REMATCH[2]}"
fi

## allow user to set compiler
[[ -z "$CC" ]] && CC=gcc

. "$NORMDIR"/norm_common.functions
. "$NORMDIR"/norm_common.prefix

COMPILEDIR="$DEFAULT_PREFIX/tmp/compile"

onerror() {
    log "Formula $FORMULA failed to build"
}

onexit() {
    EXITCODE=$?
    if [[ $EXITCODE == 0 ]]; then
        for line in "${CAVEATS[@]}"; do log $line; done
    fi
}

setup_traps() {
    set -eE
    set -o pipefail
    trap onerror ERR
    trap onexit EXIT
}

log() {
    local DATE=`LANG=C LC_ALL=C date '+%d/%b/%Y:%T %z'`
    echo "[$DATE] [norm] $@"
}

log_error() {
    local DATE=`LANG=C LC_ALL=C date '+%d/%b/%Y:%T %z'`
    echo "[$DATE] [norm] $@" >&2
}

log_success() {
    log "Formula $FORMULA -- success ($@ seconds)"
}