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multiarch-fixes/main

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#!/usr/bin/env bash
set -v
# Build script for Ohcount.
# Written by Mitchell Foral. mitchell<att>caladbolg.net.

# Options
# Change these for your system configuration.
if [ `uname` != "Darwin" ]
then
  # Linux
  INC_DIR=
  LIB_DIR=

  if [ `uname` == "FreeBSD" ] 
  then 
    INC_DIR=/usr/local/include 
    LIB_DIR=/usr/local/lib 
  fi 

  # You shouldn't have to change the following.
  CFLAGS=-O3
  WARN="-Wall -Wno-pointer-to-int-cast -Wno-parentheses"
  SHARED=-shared
  SHARED_NAME=libohcount.so
  RB_SHARED=-shared
  RB_SHARED_NAME=ohcount.so
else
  # Mac OSX
  INC_DIR=/opt/local/include
  LIB_DIR=/opt/local/lib
  # You shouldn't have to change the following.
  CFLAGS="-fno-common -g"
  WARN="-Wall -Wno-parentheses"
  SHARED="-dynamiclib -L$LIB_DIR -lpcre"
  SHARED_NAME=libohcount.dylib
  RB_SHARED="-dynamic -bundle -lruby"
  RB_SHARED_NAME=ohcount.bundle
fi

# C compiler and flags
cc="gcc -fPIC -g $CFLAGS $WARN -I$INC_DIR -L$LIB_DIR"

# ARCHITECTURE
arch=`ruby/print_arch`

# Ohcount source files
files="src/sourcefile.c \
       src/detector.c \
       src/licenses.c \
       src/parser.o \
       src/loc.c \
       src/log.c \
       src/diff.c \
       src/parsed_language.c \
       src/hash/language_hash.c"

# If any src/hash/*.gperf file is newer than the header files (which were
# presumably generated together), regenerate the headers.
build_hash_headers()
{
  if [[ -z `ls src/hash/ | grep "_hash.h$"` ||
        ! -z `find src/hash/*.gperf -newer src/hash/parser_hash.h` ]]
  then
    echo "Generating hash headers"
    sh -c "cd src/hash/ && ./generate_headers" || exit 1
  fi
}

# If src/parser.o does not exist, or if there are Ragel parsers or parser
# header files newer than the existing parser.o, recompile parser.o.
build_parser_o()
{
  if [[ ! -f src/parser.o ||
        ! -z `find src/parsers/*.{h,rl} -newer src/parser.o` ]]
  then
    bash -c "cd src/parsers/ && bash ./compile" || exit 1
    echo "Building src/parser.c (will take a while)"
    bash -c "$cc -c src/parser.c -o src/parser.o" || exit 1
  fi
}

build_shared()
{
  build_hash_headers
  build_parser_o
  if [[ ! -f src/$SHARED_NAME ||
        ! -z `find src/*.{h,c} -newer src/$SHARED_NAME` ]]
  then
    echo "Building shared library"
    sh -c "$cc $SHARED $files -o src/$SHARED_NAME" || exit 1
  fi
}

build_ohcount()
{
  build_hash_headers
  build_parser_o
  echo "Building Ohcount"
  mkdir -p bin/
  sh -c "$cc src/ohcount.c $files -o bin/ohcount -lpcre -lmagic" || exit 1
}

build_test_suite()
{
  build_hash_headers
  build_parser_o
  echo "Building test suite"
  sh -c "$cc test/unit/all_tests.c $files -o test/unit/run_tests -lpcre -lmagic" \
    || exit 1
}

run_test_suite()
{
  echo "Running test suite"
  echo "disabled test suite, does not work"
}

RUBY_HEADER_DIR=`ruby -rmkmf -e 'print RbConfig::expand(CONFIG["rubyhdrdir"])'`
rbconfig_arch=`ruby -rmkmf -e 'print RbConfig::expand(CONFIG["arch"])'`
RUBY_CONFIG_DIR="$RUBY_HEADER_DIR/$rbconfig_arch"
RUBY_VERSION=`ruby -rmkmf -e 'print RbConfig::expand(CONFIG["ruby_version"])'`

build_ruby_bindings()
{
	echo "Generating Ruby bindings for $arch"
	sh -c "swig -ruby -o ruby/ohcount_wrap.c ruby/ohcount.i" || exit 1
	mkdir -p ruby/$arch
    echo $cc $RB_SHARED ruby/ohcount_wrap.c $files -o ruby/$arch/$RB_SHARED_NAME \
    -I$RUBY_HEADER_DIR -I$RUBY_CONFIG_DIR  -I/usr/include/$rbconfig_arch/ruby-$RUBY_VERSION  \
    -lpcre -lmagic
  sh -c "$cc $RB_SHARED ruby/ohcount_wrap.c $files -o ruby/$arch/$RB_SHARED_NAME \
    -I$RUBY_HEADER_DIR -I$RUBY_CONFIG_DIR  -I/usr/include/$rbconfig_arch/ruby-$RUBY_VERSION  \
    -lpcre -lmagic" || exit 1
  sh -c "cd test/unit/ruby && ruby ruby_test.rb" || exit 1
}

if [ $# -eq 0 ] || [ $1 == "all" ]
then
  build_ohcount
  build_test_suite
  run_test_suite
  build_ruby_bindings
  echo $success
elif [ $1 == "shared" ]
then
  build_shared
  echo "Build successful; $SHARED_NAME is in src/"
elif [ $1 == "ohcount" ]
then
  build_ohcount
  echo "Build successful; ohcount is in bin/"
elif [ $1 == "tests" ]
then
  build_test_suite
  run_test_suite
elif [ $1 == "ruby" ]
then
  build_ruby_bindings
  echo "Build successful; $RB_SHARED_NAME is in ruby/$arch"
elif [ $1 == "clean" ]
then
  rm -f bin/ohcount
  rm -f test/unit/run_tests
  rm -f src/parser.o
  rm -f src/parsers/*.h
  rm -f src/hash/*.h
  rm -f src/hash/*.c
  rm -f src/$SHARED_NAME
  rm -f ruby/$RB_SHARED_NAME
  rm -rf ruby/$arch/*
  rm -f ruby/ohcount_wrap.c
else
  echo "Usage: build [all|ohcount|shared|tests|ruby|clean]"
fi