configure

   1 #!/bin/sh
   2
   3 #----------------------------------------------------------------------------
   4 #  configure script for L-SMASH
   5 #
   6 #  Currently, this script is considering only GCC.
   7 #  If you want to use other compiler based on C99 standerd (e.g. llvm),
   8 #  we just say to you "patches welcome."
   9 #----------------------------------------------------------------------------
  10
  11 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
  12 cat << EOF
  13 Usage: ./configure [options]
  14
  15 options:
  16   -h, --help               print this message
  17
  18   --prefix=PREFIX          install architecture-independent files into PREFIX
  19                            [/usr/local]
  20   --exec-prefix=EPREFIX    install architecture-dependent files into EPREFIX
  21                            [PREFIX]
  22   --bindir=DIR             install binaries in DIR [EPREFIX/bin]
  23   --libdir=DIR             install libs in DIR [EPREFIX/lib]
  24   --includedir=DIR         install headers in DIR [PREFIX/include]
  25
  26   --cc=CC                  use a defined compiler for compilation and linking [gcc]
  27   --target-os=OS           build programs to run on OS [auto]
  28   --cross-prefix=PREFIX    use PREFIX for compilation tools [none]
  29   --sysroot=DIR            specify toolchain's directory [none]
  30   --disable-static         doesn't compile static library
  31   --enable-shared          also compile shared library besides static library
  32   --enable-debug           compile with debug symbols and never strip
  33
  34   --extra-cflags=XCFLAGS   add XCFLAGS to CFLAGS
  35   --extra-ldflags=XLDFLAGS add XLDFLAGS to LDFLAGS
  36   --extra-libs=XLIBS       add XLIBS to LIBS
  37 EOF
  38 exit 1
  39 fi
  40
  41 #-----------------------------------------------------------------------------
  42
  43 error_exit()
  44 {
  45     echo error: $1
  46     exit 1
  47 }
  48
  49 #Currently, this is used only for the flag check of compiler.
  50 cc_check()
  51 {
  52     echo 'int main(void){return 0;}' > conftest.c
  53     $CC conftest.c $1 $2 -o conftest 2> /dev/null
  54     ret=$?
  55     rm -f conftest*
  56     return $ret
  57 }
  58
  59 is_64bit()
  60 {
  61     echo 'int main(void){int a[2*(sizeof(void *)>4)-1]; return 0;}' > conftest.c
  62     $CC conftest.c -o conftest 2> /dev/null
  63     ret=$?
  64     rm -f conftest*
  65     return $ret
  66 }
  67
  68 #-----------------------------------------------------------------------------
  69
  70 rm -f config.* .depend conftest* liblsmash.pc *.ver
  71
  72
  73 echo
  74 echo generating config.mak ...
  75 echo
  76
  77
  78 SRCDIR=$(dirname "$0")
  79 SRCDIR=$(cd "$SRCDIR"; pwd)
  80 test "$SRCDIR" = "$(pwd)" && SRCDIR=.
  81 test -n "$(echo $SRCDIR | grep ' ')" && \
  82     error_exit "out-of-tree builds are impossible with whitespace in source path"
  83
  84 prefix=""
  85 exec_prefix=""
  86 bindir=""
  87 libdir=""
  88 includedir=""
  89 DESTDIR=""
  90
  91 TARGET_OS=""
  92 CROSS=""
  93
  94 SYSROOT=""
  95 CC="gcc"
  96 AR="ar"
  97 LD="gcc"
  98 RANLIB="ranlib"
  99 STRIP="strip"
 100
 101 DEBUG=""
 102
 103 EXT=""
 104
 105 STATIC_NAME="liblsmash"
 106 STATIC_EXT=".a"
 107 STATICLIB="enabled"
 108
 109 SHARED_NAME="liblsmash"
 110 SHARED_EXT=".so"
 111 SHAREDLIB=""
 112 IMPLIB=""
 113
 114 TOOLS=""
 115
 116 CFLAGS="-Wshadow -Wall -std=c99 -pedantic -I. -I$SRCDIR"
 117 LDFLAGS="-L."
 118 SO_LDFLAGS='-shared -Wl,-soname,$@ -Wl,--version-script,liblsmash.ver'
 119 LIBS="-lm"
 120
 121 for opt; do
 122     optarg="${opt#*=}"
 123     case "$opt" in
 124         --prefix=*)
 125             prefix="$optarg"
 126             ;;
 127         --exec-prefix=*)
 128             exec_prefix="$optarg"
 129             ;;
 130         --bindir=*)
 131             bindir="$optarg"
 132             ;;
 133         --libdir=*)
 134             libdir="$optarg"
 135             ;;
 136         --includedir=*)
 137             includedir="$optarg"
 138             ;;
 139         --destdir=*)
 140             DESTDIR="$optarg"
 141             ;;
 142         --cc=*)
 143             CC="$optarg"
 144             LD="$optarg"
 145             ;;
 146         --target-os=*)
 147             TARGET_OS="$optarg"
 148             ;;
 149         --cross-prefix=*)
 150             CROSS="$optarg"
 151             ;;
 152         --sysroot=*)
 153             CFLAGS="$CFLAGS --sysroot=$optarg"
 154             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 155             ;;
 156         --disable-static)
 157             STATICLIB=""
 158             SHAREDLIB="enabled"
 159             ;;
 160         --enable-shared)
 161             SHAREDLIB="enabled"
 162             ;;
 163         --enable-debug)
 164             DEBUG="enabled"
 165             ;;
 166         --extra-cflags=*)
 167             XCFLAGS="$optarg"
 168             ;;
 169         --extra-ldflags=*)
 170             XLDFLAGS="$optarg"
 171             ;;
 172         --extra-libs=*)
 173             XLIBS="$optarg"
 174             ;;
 175         *)
 176             error_exit "unknown option $opt"
 177             ;;
 178     esac
 179 done
 180
 181 test -n "$prefix" || prefix="/usr/local"
 182 test -n "$exec_prefix" || exec_prefix='${prefix}'
 183 test -n "$bindir" || bindir='${exec_prefix}/bin'
 184 test -n "$libdir" || libdir='${exec_prefix}/lib'
 185 test -n "$includedir" || includedir='${prefix}/include'
 186
 187
 188 CC="${CROSS}${CC}"
 189 AR="${CROSS}${AR}"
 190 LD="${CROSS}${LD}"
 191 RANLIB="${CROSS}${RANLIB}"
 192 STRIP="${CROSS}${STRIP}"
 193 for f in "$CC" "$AR" "$LD" "$RANLIB" "$STRIP"; do
 194     test -n "$(which $f 2> /dev/null)" || error_exit "$f is not executable"
 195 done
 196
 197
 198 MAJVER=$(grep -e '#define LSMASH_VERSION_MAJOR' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MAJOR //;s/ //g')
 199 MINVER=$(grep -e '#define LSMASH_VERSION_MINOR' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MINOR //;s/ //g')
 200 MICVER=$(grep -e '#define LSMASH_VERSION_MICRO' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MICRO //;s/ //g')
 201
 202 if test -n "$TARGET_OS"; then
 203     TARGET_OS=$(echo $TARGET_OS | tr '[A-Z]' '[a-z]')
 204 else
 205     TARGET_OS=$($CC -dumpmachine | tr '[A-Z]' '[a-z]')
 206 fi
 207 case "$TARGET_OS" in
 208     *mingw*)
 209         EXT=".exe"
 210         SHARED_NAME="liblsmash-$MAJVER"
 211         SHARED_EXT=".dll"
 212         DEFNAME="${SHARED_NAME}.def"
 213         IMPLIB="liblsmash.dll.a"
 214         SO_LDFLAGS="-shared -Wl,--output-def,$DEFNAME -Wl,--out-implib,$IMPLIB -Wl,--version-script,liblsmash.ver"
 215         CFLAGS="$CFLAGS -D__USE_MINGW_ANSI_STDIO=1"
 216         LIBARCH=i386
 217         if lib.exe --list > /dev/null 2>&1 ; then
 218             if is_64bit ; then
 219                 LIBARCH=x64
 220             fi
 221             SLIB_CMD='sed -i "s/ @[^ ]*//" $(DEFNAME); lib.exe -machine:$(LIBARCH) -def:$(DEFNAME) -out:lsmash.lib'
 222         elif genlib -V > /dev/null 2>&1 ; then
 223             if is_64bit ; then
 224                 LIBARCH=x86_64
 225             else
 226                 LIBARCH=x86
 227             fi
 228             SLIB_CMD='sed -i "s/ @[^ ]*//" $(DEFNAME); genlib -a $(LIBARCH) -o lsmash.lib -d $(SHAREDLIBNAME) $(DEFNAME)'
 229         elif ${CROSS}dlltool --version > /dev/null 2>&1 ; then
 230             if is_64bit ; then
 231                 LIBARCH="i386:x86-64"
 232             fi
 233             SLIB_CMD="sed -i \"s/ @[^ ]*//\" \$(DEFNAME); ${CROSS}dlltool -m \$(LIBARCH) -d \$(DEFNAME) -l lsmash.lib -D \$(SHAREDLIBNAME)"
 234         fi
 235         ;;
 236     *cygwin*)
 237         EXT=".exe"
 238         SHARED_NAME="cyglsmash"
 239         SHARED_EXT=".dll"
 240         IMPLIB="liblsmash.dll.a"
 241         SO_LDFLAGS="-shared -Wl,--out-implib,$IMPLIB -Wl,--version-script,liblsmash.ver"
 242         ;;
 243     *darwin*)
 244         SHARED_EXT=".dylib"
 245         SO_LDFLAGS="-dynamiclib -Wl,-undefined,suppress -Wl,-read_only_relocs,suppress -Wl,-flat_namespace -Wl,--version-script,liblsmash.ver"
 246         ;;
 247     *solaris*)
 248         #patches welcome
 249         SHAREDLIB=""
 250         ;;
 251     *)
 252         SHARED_NAME="liblsmash"
 253         SHARED_EXT=".so.$MAJVER"
 254         if test -n "$SHAREDLIB"; then
 255             CFLAGS="$CFLAGS -fPIC"
 256             LDFLAGS="$LDFLAGS -fPIC"
 257         fi
 258         ;;
 259 esac
 260
 261
 262 STATICLIBNAME="${STATIC_NAME}${STATIC_EXT}"
 263 SHAREDLIBNAME="${SHARED_NAME}${SHARED_EXT}"
 264 test -n "$STATICLIB" && STATICLIB="$STATICLIBNAME"
 265 test -n "$SHAREDLIB" && SHAREDLIB="$SHAREDLIBNAME"
 266 test -z "$STATICLIB" -a -z "$SHAREDLIB" && \
 267     error_exit "--disable-static requires --enable-shared were specified"
 268 test -z "$SHAREDLIB" && SO_LDFLAGS=""
 269
 270
 271 CFLAGS="$CFLAGS $XCFLAGS"
 272 LDFLAGS="$LDFLAGS $XLDFLAGS"
 273 LIBS="$LIBS $XLIBS"
 274
 275
 276 # In order to avoid some compiler bugs, we don't use "-O3" for the default.
 277 # "-Os" unites "-O2" and "-finline-funtions" on x86/x86_64 in the latest GCC.
 278 # As a result of taking these into consideration, we make "-Os" a rated value.
 279 # And, we don't care about architecture related options.
 280 # If you want them, set up by yourself like --extra-cflags="-O3 -march=native".
 281 if test -n "$DEBUG"; then
 282     CFLAGS="$CFLAGS -g3 -O0"
 283     STRIP=""
 284 else
 285     CFLAGS="-Os -ffast-math $CFLAGS"
 286 fi
 287
 288
 289 if ! cc_check "$CFLAGS" "$LDFLAGS"; then
 290     error_exit "invalid CFLAGS/LDFLAGS"
 291 fi
 292
 293 if cc_check "$CFLAGS -fexcess-precision=fast" "$LDFLAGS"; then
 294     CFLAGS="$CFLAGS -fexcess-precision=fast"
 295 fi
 296
 297 if cc_check "$CFLAGS" "$LDFLAGS -Wl,--large-address-aware"; then
 298     LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 299 fi
 300
 301
 302 #=============================================================================
 303 # Notation for developpers.
 304 # Be sure to modified this block when you add/delete source files.
 305 SRC_COMMON="   \
 306     alloc.c    \
 307     bits.c     \
 308     bytes.c    \
 309     list.c     \
 310     multibuf.c \
 311     osdep.c    \
 312     utils.c"
 313
 314 SRC_CODECS="      \
 315     a52.c         \
 316     alac.c        \
 317     description.c \
 318     dts.c         \
 319     h264.c        \
 320     hevc.c        \
 321     id.c          \
 322     mp4sys.c      \
 323     mp4a.c        \
 324     mp4v.c        \
 325     nalu.c        \
 326     qt_wfex.c     \
 327     vc1.c         \
 328     wma.c"
 329
 330 SRC_IMPORTER="  \
 331     a52_imp.c   \
 332     adts_imp.c  \
 333     als_imp.c   \
 334     amr_imp.c   \
 335     dts_imp.c   \
 336     importer.c  \
 337     isobm_imp.c \
 338     mp3_imp.c   \
 339     nalu_imp.c  \
 340     vc1_imp.c   \
 341     wave_imp.c"
 342
 343 SRC_CORE="     \
 344     box.c      \
 345     chapter.c  \
 346     file.c     \
 347     fragment.c \
 348     isom.c     \
 349     meta.c     \
 350     print.c    \
 351     read.c     \
 352     summary.c  \
 353     timeline.c \
 354     write.c"
 355
 356 SRCS=""
 357
 358 for src in $SRC_COMMON; do
 359     SRCS="$SRCS common/$src"
 360 done
 361
 362 for src in $SRC_CODECS; do
 363     SRCS="$SRCS codecs/$src"
 364 done
 365
 366 for src in $SRC_IMPORTER; do
 367     SRCS="$SRCS importer/$src"
 368 done
 369
 370 for src in $SRC_CORE; do
 371     SRCS="$SRCS core/$src"
 372 done
 373
 374 SRC_CLI="cli.c"
 375
 376 SRC_TOOLS=""
 377 OBJ_TOOLS=""
 378
 379 for src in $SRC_CLI; do
 380     SRC_TOOLS="$SRC_TOOLS cli/$src"
 381 done
 382
 383 for src in $SRC_TOOLS; do
 384     OBJ_TOOLS="$OBJ_TOOLS ${src%.c}.o"
 385 done
 386
 387 TOOLS_ALL="muxer remuxer boxdumper timelineeditor"
 388 TOOLS_NAME=""
 389 TOOLS="$TOOLS_ALL"
 390
 391 for tool in $TOOLS; do
 392     SRC_TOOLS="$SRC_TOOLS cli/${tool}.c"
 393     TOOLS_NAME="$TOOLS_NAME cli/${tool}${EXT}"
 394 done
 395 #=============================================================================
 396
 397 CURDIR="$PWD"
 398 cd $SRCDIR
 399 VER=$MAJVER.$MINVER.$MICVER
 400 if test -d .git && type git > /dev/null 2>&1 ; then
 401     REV="$(git rev-list HEAD 2> /dev/null | wc -l)"
 402     HASH="$(git describe --always 2> /dev/null)"
 403 else
 404     REV=0
 405     HASH=
 406 fi
 407 if test $REV -ne 0; then
 408     VER_STRING="$VER rev.$REV"
 409 else
 410     VER_STRING="$VER"
 411 fi
 412 cd "$CURDIR"
 413 cat >> config.h << EOF
 414 #define LSMASH_REV "$REV"
 415 #define LSMASH_GIT_HASH "$HASH"
 416 EOF
 417
 418
 419 sed "s/\\\$MAJOR/$MAJVER/" $SRCDIR/liblsmash.v > liblsmash.ver
 420 # Add non-public symbols which have lsmash_* prefix to local.
 421 find $SRCDIR/common/ $SRCDIR/importer/ -name "*.h" | xargs sed -e 's/^[ ]*//g' | \
 422     grep "^\(void\|lsmash_bits_t\|uint64_t\|int\|int64_t\|lsmash_bs_t\|uint8_t\|uint16_t\|uint32_t\|lsmash_entry_list_t\|lsmash_entry_t\|lsmash_multiple_buffers_t\|double\|float\|FILE\).*lsmash_" | \
 423     sed -e "s/.*\(lsmash_.*\)(.*/\1/g" -e "s/.*\(lsmash_.*\)/\1;/g" | xargs -I% sed -i "/^};$/i \           %" liblsmash.ver
 424 # Get rid of non-public symbols for the cli tools from local.
 425 sed -i -e '/lsmash_win32_fopen/d' \
 426     -e '/lsmash_string_from_wchar/d' \
 427     -e '/lsmash_importer_open/d' \
 428     -e '/lsmash_importer_close/d' \
 429     -e '/lsmash_importer_get_access_unit/d' \
 430     -e '/lsmash_importer_get_last_delta/d' \
 431     -e '/lsmash_importer_construct_timeline/d' \
 432     -e '/lsmash_importer_get_track_count/d' \
 433     -e '/lsmash_duplicate_summary/d' liblsmash.ver
 434
 435
 436 cat >> liblsmash.pc << EOF
 437 prefix=$prefix
 438 exec_prefix=$exec_prefix
 439 libdir=$libdir
 440 includedir=$includedir
 441
 442 Name: liblsmash
 443 Description: Loyal to Spec of MPEG4, and Ad-hock Simple Hackwork
 444 Version: $VER_STRING
 445 Requires:
 446 URL: https://github.com/l-smash/l-smash
 447 Libs: -L${libdir} -llsmash $(test -z "$SHAREDLIB" && echo $LIBS)
 448 Libs.private: $(test -n "$SHAREDLIB" && echo $LIBS)
 449 Cflags: -I${includedir}
 450 EOF
 451
 452
 453 cat >> config.mak << EOF
 454 SRCDIR = $SRCDIR
 455 DESTDIR = $DESTDIR
 456 prefix = $prefix
 457 exec_prefix = $exec_prefix
 458 bindir = $bindir
 459 libdir = $libdir
 460 includedir = $includedir
 461 CC = $CC
 462 AR = $AR
 463 LD = $LD
 464 RANLIB = $RANLIB
 465 STRIP = $STRIP
 466 STATICLIBNAME = $STATICLIBNAME
 467 STATICLIB = $STATICLIB
 468 SHAREDLIBNAME = $SHAREDLIBNAME
 469 SHAREDLIB = $SHAREDLIB
 470 IMPLIB = $IMPLIB
 471 CFLAGS = $CFLAGS
 472 LDFLAGS = $LDFLAGS
 473 SO_LDFLAGS = $SO_LDFLAGS
 474 LIBS = $LIBS
 475 LIBARCH = $LIBARCH
 476 DEFNAME = $DEFNAME
 477 SLIB_CMD = $SLIB_CMD
 478 EOF
 479
 480 cat config.mak
 481
 482 cat >> config.mak << EOF
 483 SRCS = $SRCS
 484 SRC_TOOLS = $SRC_TOOLS
 485 TOOLS_ALL = $TOOLS_ALL
 486 TOOLS = $TOOLS_NAME
 487 MAJVER = $MAJVER
 488 EOF
 489
 490
 491 for tool in $TOOLS; do
 492     cat >> config.mak2 << EOF
 493 cli/${tool}${EXT}: cli/${tool}.o $OBJ_TOOLS $STATICLIB $SHAREDLIB
 494         \$(CC) \$(CFLAGS) \$(LDFLAGS) -o \$@ \$< $OBJ_TOOLS -llsmash \$(LIBS)
 495         -@ \$(if \$(STRIP), \$(STRIP) \$@)
 496
 497 EOF
 498 done
 499
 500
 501 test "$SRCDIR" = "." || ln -sf ${SRCDIR}/Makefile .
 502 mkdir -p cli codecs common core importer
 503
 504
 505 cat << EOF
 506
 507 configure finished
 508
 509   type 'make'             : compile library and tools
 510   type 'make install'     : install all into system
 511   type 'make lib'         : compile library only
 512   type 'make install-lib' : install library and header into system
 513
 514 EOF
 515
 516 exit 0