configure.ac

   1 dnl --------------------------------
   2 dnl Initialization macros.
   3 dnl --------------------------------
   4
   5 AC_INIT(encoder/encmain.cpp)
   6
   7 dnl -----------------------------------------------
   8 dnl Package name and version number (user defined)
   9 dnl -----------------------------------------------
  10
  11 GENERIC_LIBRARY_NAME=dirac
  12
  13 #release versioning
  14 GENERIC_MAJOR_VERSION=1
  15 GENERIC_MINOR_VERSION=0
  16 GENERIC_MICRO_VERSION=0
  17
  18 #shared library versioning
  19 GENERIC_LIBRARY_VERSION=0:0:0
  20 #                       | | |
  21 #                +------+ | +---+
  22 #                |        |     |
  23 #             current:revision:age
  24 #                |        |     |
  25 #                |        |     +- increment if interfaces have been added
  26 #                |        |        set to zero if interfaces have been removed
  27 #                                  or changed
  28 #                |        +- increment if source code has changed
  29 #                |           set to zero if current is incremented
  30 #                +- increment if interfaces have been added, removed or changed
  31
  32
  33 dnl --------------------------------
  34 dnl Package name and version number
  35 dnl --------------------------------
  36
  37 AC_SUBST(GENERIC_LIBRARY_VERSION)
  38
  39 PACKAGE=$GENERIC_LIBRARY_NAME
  40 AC_SUBST(GENERIC_LIBRARY_NAME)
  41
  42 GENERIC_VERSION=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION.$GENERIC_MICRO_VERSION
  43 GENERIC_RELEASE=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION
  44 AC_SUBST(GENERIC_RELEASE)
  45 AC_SUBST(GENERIC_VERSION)
  46
  47 VERSION=$GENERIC_VERSION
  48
  49 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
  50
  51 dnl -----------------------------------------------
  52 dnl Checks for required programs.
  53 dnl -----------------------------------------------
  54 AC_PROG_CXX
  55 AM_SANITY_CHECK
  56 AC_LIBTOOL_WIN32_DLL
  57 AM_PROG_LIBTOOL
  58 AC_SYS_LARGEFILE
  59
  60 ACLOCAL_AMFLAGS="-I m4 $ACLOCAL_AMFLAGS"
  61 AC_SUBST(ACLOCAL_AMFLAGS)
  62
  63
  64 dnl -------------------------------------------------------------------------
  65 dnl Check if compiling using MS VC++ compiler in msys environment on Windows
  66 dnl -------------------------------------------------------------------------
  67 use_msvc=no
  68 AC_SUBST([LIBFLAGS],[])
  69 AC_SUBST([LIBEXT],[])
  70 case "$CXX" in
  71                 cl*|CL*)
  72                 CXXFLAGS="-nologo -W1 -EHsc -DWIN32"
  73                 if test x"$enable_shared" = "xyes"; then
  74                     LIBEXT=".dll";
  75                     LIBFLAGS="-DLL -INCREMENTAL:NO"
  76                         CXXFLAGS="$CXXFLAGS -D_WINDLL"
  77                 else
  78                     LIBEXT=".lib";
  79                     LIBFLAGS="-lib"
  80                 fi
  81                 RANLIB="echo"
  82                 use_msvc=yes
  83                 ;;
  84         *)
  85                 ;;
  86 esac
  87 AM_CONDITIONAL(USE_MSVC, test x"$use_msvc" = "xyes")
  88
  89 dnl -----------------------------------------------
  90 dnl Checks for required headers
  91 dnl -----------------------------------------------
  92
  93 AC_HEADER_STDC
  94 AC_HEADER_STDBOOL
  95
  96 dnl -------------------------------------------------------------------------
  97 dnl Indirectly checking if the compiler is useable
  98 dnl -------------------------------------------------------------------------
  99 AC_LANG_PUSH(C++)
 100 AC_CHECK_HEADER(streambuf,[], [AC_MSG_ERROR(["Unsupported Compiler version"])])
 101 AC_LANG_POP(C++)
 102 dnl ** We probably need this line, but not now
 103 dnl AC_CHECK_HEADERS(stdint.h unistd.h fcntl.h)
 104
 105 AX_CREATE_STDINT_H([libdirac_common/dirac-stdint.h])
 106
 107 dnl -----------------------------------------------
 108 dnl Checks for libraries.
 109 dnl -----------------------------------------------
 110
 111 dnl -----------------------------------------------
 112 dnl Checks for optional programs.
 113 dnl -----------------------------------------------
 114 AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
 115         if test $HAVE_DOXYGEN = "false"; then
 116                 AC_MSG_WARN([*** doxygen not found, code documentation will not be built])
 117         fi
 118 AM_CONDITIONAL(HAVE_DOXYGEN, $HAVE_DOXYGEN)
 119
 120 AC_CHECK_PROG(HAVE_DOT, dot, true, false)
 121         if test $HAVE_DOT = "false"; then
 122                 AC_MSG_WARN([*** dot not found, inheritance diagrams will not be generated in code documentation])
 123         fi
 124 AM_CONDITIONAL(HAVE_DOT, $HAVE_DOT)
 125
 126 AC_CHECK_PROG(HAVE_LATEX, latex, true, false)
 127         if test $HAVE_LATEX = "false"; then
 128                 AC_MSG_WARN([*** latex not found, algorithm documentation will not be built])
 129         fi
 130 AM_CONDITIONAL(HAVE_LATEX, $HAVE_LATEX)
 131
 132 AC_CHECK_PROG(HAVE_DVIPDFM, dvipdfm, true, false)
 133         if test $HAVE_DVIPDFM = "false"; then
 134             AC_MSG_WARN([*** dvipdfm not found, programmer documentation will not be built])
 135     fi
 136 AM_CONDITIONAL(HAVE_DVIPDFM, $HAVE_DVIPDFM)
 137
 138 AC_ARG_ENABLE(overlay,
 139 [ --enable-overlay Turns onDirectory instrumentation],
 140 [case "${enableval}" in
 141         yes) overlay=true ;;
 142         no) overlay=false ;;
 143         *) AC_MSG_ERROR(bad value ${enableval} for --enable-overlay) ;;
 144 esac],[overlay=false])
 145 AM_CONDITIONAL(OVERLAY, test x$overlay = xtrue)
 146
 147 dnl -----------------------------------------------
 148 dnl Setup for the testsuite
 149 dnl -----------------------------------------------
 150 AC_CONFIG_TESTDIR([tests], [tests:encoder:decoder:unit_tests:util/instrumentation])
 151 AC_CONFIG_FILES([tests/Makefile])
 152 AC_CONFIG_FILES([tests/at_wrap], [chmod +x tests/at_wrap])
 153 AM_MISSING_PROG([AUTOM4TE], [autom4te])
 154
 155 dnl ----------------------------------------------
 156 dnl enable profiling flags
 157 dnl -----------------------------------------------
 158 AC_MSG_CHECKING([whether gprof flags are to be used when compiling])
 159 AC_ARG_ENABLE(profile, AC_HELP_STRING([--enable-profile], [enable profile flags (no)]),
 160 [
 161 if test x"${enableval}" = x"yes" ; then
 162         AC_MSG_RESULT(yes)
 163         case "$CXX" in
 164             g++*|icc)
 165                 CXXFLAGS="$CXXFLAGS -pg"
 166                         ;;
 167         *)
 168                     # do nothing
 169                         ;;
 170     esac
 171 else
 172         AC_MSG_RESULT(no)
 173 fi], [AC_MSG_RESULT(no)]
 174 )
 175
 176 AC_LANG_PUSH(C++)
 177 OPT_CFLAGS=""
 178 case "$CXX" in
 179    g++*)
 180                 TRY_CFLAGS="$OPT_CFLAGS -g"
 181                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 182                 TRY_CFLAGS="$OPT_CFLAGS -pedantic"
 183                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 184                 TRY_CFLAGS="$OPT_CFLAGS -Wall"
 185                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 186                 TRY_CFLAGS="$OPT_CFLAGS -Werror"
 187                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 188                 TRY_CFLAGS="$OPT_CFLAGS -W"
 189                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 190                 TRY_CFLAGS="$OPT_CFLAGS -Woverloaded-virtual"
 191                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 192                 #TRY_CFLAGS="-Wno-long-double"
 193                 #AC_TRY_CXXFLAGS([#include <math.h>],[long double lw;], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$OPT_CFLAGS $TRY_CFLAGS"])
 194                 TRY_CFLAGS="$OPT_CFLAGS -Wextra"
 195                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 196         CXXFLAGS="$OPT_CFLAGS $CXXFLAGS"
 197                    ;;
 198     *)
 199             # do nothing at the moment
 200                 ;;
 201 esac
 202 dnl ----------------------------------------------
 203 dnl enable debug flags
 204 dnl -----------------------------------------------
 205 AC_MSG_CHECKING([whether extra debug flags are to be used when compiling])
 206 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [enable extra debug flags (no)]),
 207 [
 208 if test x"${enableval}" = x"yes" ; then
 209         AC_MSG_RESULT(yes)
 210         case "$CXX" in
 211             g++*)
 212                         CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]]*//g'`
 213                         OPT_CFLAGS=""
 214                         TRY_CFLAGS="-O0"
 215                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 216                         CXXFLAGS="$OPT_CFLAGS $CXXFLAGS -DDIRAC_DEBUG"
 217                     ;;
 218             icc)
 219                         CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]]*//g'`
 220                         CXXFLAGS="-DDIRAC_DEBUG -g -O0 $CXXFLAGS"
 221                     # report only errors and warnings as errors
 222                     CXXFLAGS="$CXXFLAGS -w1 -Werror -wr964 -wr963"
 223                     ;;
 224             cl*|CL*)
 225                     # -Od turn off optimisation, -Z7 turn on debugging info
 226                         CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[0-9]]*//g'`
 227                         CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[[a-z]]*//g'`
 228                         CXXFLAGS=`echo $CXXFLAGS | sed 's/-W[[0-9]]*//g'`
 229                     CXXFLAGS="$CXXFLAGS -Od -Z7 -W2"
 230                         if test x"$enable_shared" = "xyes"; then
 231                           LIBFLAGS="$LIBFLAGS -DEBUG";
 232             fi
 233                     ;;
 234         *)
 235                     # do nothing at the moment
 236                         ;;
 237     esac
 238 else
 239         AC_MSG_RESULT(no)
 240 fi],
 241 [
 242         AC_MSG_RESULT(no)
 243         OPT_CFLAGS=""
 244         case "$CXX" in
 245     g++*|icc)
 246                 TRY_CFLAGS="-O3"
 247                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 248                 TRY_CFLAGS="$OPT_CFLAGS -Wuninitialized"
 249                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 250                 dnl arch specific flags
 251                 case "$host" in
 252                         i386-*) TRY_CFLAGS="$OPT_CFLAGS -march=i386";;
 253                         i486-*) TRY_CFLAGS="$OPT_CFLAGS -march=i486";;
 254                         i586-*) TRY_CFLAGS="$OPT_CFLAGS -march=pentium";;
 255                         i686-*) TRY_CFLAGS="$OPT_CFLAGS -march=pentiumpro";;
 256                         k6-*)   TRY_CFLAGS="$OPT_CFLAGS -march=k6";;
 257                 esac
 258                 AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 259                 ;;
 260         *)
 261                 ;;
 262         esac
 263
 264     #Try more optimising flags if supported
 265         case "$CXX" in
 266             g++*)
 267                         dnl TRY_CFLAGS="$OPT_CFLAGS -fprefetch-loop-arrays"
 268                         dnl AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 269                         TRY_CFLAGS="$OPT_CFLAGS -fexpensive-optimizations"
 270                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 271                         TRY_CFLAGS="$OPT_CFLAGS -frerun-cse-after-loop"
 272                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 273                         TRY_CFLAGS="$OPT_CFLAGS -frerun-loop-opt"
 274                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 275                         TRY_CFLAGS="$OPT_CFLAGS -fomit-frame-pointer"
 276                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 277                         TRY_CFLAGS="$OPT_CFLAGS -minline-all-stringops"
 278                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 279                         TRY_CFLAGS="$OPT_CFLAGS -fschedule-insns2"
 280                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 281                         TRY_CFLAGS="$OPT_CFLAGS -falign-functions=4"
 282                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 283                         dnl TRY_CFLAGS="$OPT_CFLAGS -preferred-stack-boundary=4"
 284                         dnl AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 285                         TRY_CFLAGS="$OPT_CFLAGS -fforce-addr"
 286                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 287                         TRY_CFLAGS="$OPT_CFLAGS -pipe"
 288                         AC_TRY_CXXFLAGS([],[], [$TRY_CFLAGS $CXXFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
 289                         ;;
 290                 *)
 291                     # do nothing at the moment
 292                         ;;
 293         esac
 294     CXXFLAGS="$OPT_CFLAGS $CXXFLAGS"
 295 ]
 296 )
 297 AC_LANG_POP(C++)
 298
 299 dnl ----------------------------------------------
 300 dnl enable MMX optimization flag
 301 dnl TODO: need to fix this test
 302 dnl -----------------------------------------------
 303 AC_MSG_CHECKING([whether optimizations using MMX instructions are enabled])
 304 AC_ARG_ENABLE(mmx, AC_HELP_STRING([--enable-mmx], [enable MMX optimization (default=yes)]), [enable_mmx="${enableval}"], [enable_mmx="yes"])
 305
 306 if test x"${enable_mmx}" = x"yes" ; then
 307         case "$CXX" in
 308             g++*)
 309                         AC_LANG_PUSH(C++)
 310                         TRY_CFLAGS="-mmmx"
 311                         AC_TRY_CXXFLAGS([#include <mmintrin.h>],[], [$TRY_CFLAGS $CXXFLAGS],[CXXFLAGS="$CXXFLAGS $TRY_CFLAGS -DHAVE_MMX"])
 312                         AC_LANG_POP(C++)
 313                         ;;
 314             icc)
 315                         AC_LANG_PUSH(C++)
 316                         AC_CHECK_HEADER(mmintrin.h,[AC_MSG_RESULT(yes); CXXFLAGS="$CXXFLAGS -DHAVE_MMX=1"], [AC_MSG_RESULT(["no"])])
 317                         AC_LANG_POP(C++)
 318                         ;;
 319         *)
 320                     # do nothing
 321                         AC_MSG_RESULT(["no"])
 322                         ;;
 323     esac
 324 else
 325         AC_MSG_RESULT(no)
 326 fi
 327
 328 dnl -----------------------------------------------
 329 dnl Setup for the cppunit testsuite
 330 dnl -----------------------------------------------
 331 AC_LANG_PUSH(C++)
 332 dnl need to determine how to run AC_CHECK_LIB on a c++ library
 333 dnl Until then just use AC_CHECK_HEADER by itself
 334 dnl AC_CHECK_HEADER([cppunit/TestRunner.h],
 335 dnl     [AC_CHECK_LIB([cppunit], [main], [HAVE_CPPUNIT="true"], [HAVE_CPPUNIT="false"], [ -ldl ])], [HAVE_CPPUNIT="false"])
 336 AC_CHECK_HEADER([cppunit/TestRunner.h],[HAVE_CPPUNIT="true"], [HAVE_CPPUNIT="false"])
 337         if test $HAVE_CPPUNIT = "true"; then
 338                 AC_MSG_CHECKING([whether unit tests code will compile and link])
 339                 SAVE_LIBS=$LIBS
 340                 SAVE_CXXFLAGS=$CXXFLAGS
 341                 LIBS="$LIBS -lcppunit -ldl"
 342                 case `$LD -v 2>&1 < /dev/null` in
 343                 *GNU* | *'with BFD'*)
 344                         CXXFLAGS="$CXXFLAGS -Wl,--fatal-warnings"
 345                         ;;
 346                 esac;
 347                 AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <string>
 348                 #include <cppunit/TestResult.h>
 349                 #include <cppunit/TestRunner.h>]], [[CPPUNIT_NS::TestResult controller; CPPUNIT_NS::TestRunner runner;]])],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no); HAVE_CPPUNIT="false"])
 350                 LIBS=$SAVE_LIBS
 351                 CXXFLAGS=$SAVE_CXXFLAGS
 352         fi
 353 AM_CONDITIONAL(HAVE_CPPUNIT, $HAVE_CPPUNIT)
 354 AC_LANG_POP(C++)
 355
 356 dnl -----------------------------------------------
 357 dnl Check if static libraries to be used on non-Windows platforms
 358 dnl -----------------------------------------------
 359 AM_CONDITIONAL(USE_STATIC, test x"$enable_static" = "xyes")
 360
 361 dnl -----------------------------------------------
 362 dnl Setup valgrind and necessary args for memcheck
 363 dnl -----------------------------------------------
 364 dnl Using -q --leak-check on valgrind pre-2.2 gives stderr output when
 365 dnl no leaks are found so only use --leak-check with recent valgrind.
 366 dnl valgrind is used during the make valgrind-check target.
 367 AC_CHECK_PROGS(VALGRIND, valgrind)
 368 if test x"$VALGRIND" != "x" ; then
 369         if $VALGRIND -q --tool=memcheck true 2>/dev/null; then
 370                 VALGRIND="valgrind --tool=memcheck --leak-check=yes"
 371         fi
 372 fi
 373
 374 dnl -----------------------------------------------
 375 dnl Check if we need mathlib
 376 dnl -----------------------------------------------
 377 AC_LANG_PUSH(C++)
 378 AC_SUBST([CONFIG_MATH_LIB],[])
 379 AC_MSG_CHECKING([whether we need to link math lib])
 380 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <cmath>]], [[double lw = std::pow(2.0, 2.0);]])],[AC_MSG_RESULT(no)], [CONFIG_MATH_LIB="-lm";AC_MSG_RESULT(yes)])
 381 AC_LANG_POP(C++)
 382 dnl -----------------------------------------------
 383 dnl Generates Makefile's, configuration files and scripts
 384 dnl -----------------------------------------------
 385
 386 AC_OUTPUT(Makefile dirac.pc \
 387           doc/Makefile \
 388           libdirac_byteio/Makefile \
 389           libdirac_common/Makefile \
 390           libdirac_motionest/Makefile \
 391           libdirac_encoder/Makefile \
 392           libdirac_decoder/Makefile \
 393           encoder/Makefile \
 394           decoder/Makefile \
 395           unit_tests/Makefile \
 396           util/Makefile \
 397           util/conversion/Makefile \
 398           util/conversion/common/Makefile \
 399           util/instrumentation/Makefile \
 400           util/instrumentation/libdirac_instrument/Makefile \
 401           win32/Makefile \
 402           win32/VisualStudio/Makefile )