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 $ret
  57 }
  58
  59 #-----------------------------------------------------------------------------
  60
  61 rm -f config.* .depend conftest* liblsmash.pc
  62
  63
  64 echo
  65 echo generating config.mak ...
  66 echo
  67
  68
  69 SRCDIR=$(dirname "$0")
  70 SRCDIR=$(cd "$SRCDIR"; pwd)
  71 test "$SRCDIR" = "$(pwd)" && SRCDIR=.
  72 test -n "$(echo $SRCDIR | grep ' ')" && \
  73     error_exit "out-of-tree builds are impossible with whitespace in source path"
  74
  75 prefix=""
  76 exec_prefix=""
  77 bindir=""
  78 libdir=""
  79 includedir=""
  80 DESTDIR=""
  81
  82 TARGET_OS=""
  83 CROSS=""
  84
  85 SYSROOT=""
  86 CC="gcc"
  87 AR="ar"
  88 LD="gcc"
  89 RANLIB="ranlib"
  90 STRIP="strip"
  91
  92 DEBUG=""
  93
  94 EXT=""
  95
  96 STATIC_NAME="liblsmash"
  97 STATIC_EXT=".a"
  98 STATICLIB="enabled"
  99
 100 SHARED_NAME="liblsmash"
 101 SHARED_EXT=".so"
 102 SHAREDLIB=""
 103 IMPLIB=""
 104
 105 TOOLS=""
 106
 107 CFLAGS="-Wshadow -Wall -std=c99 -pedantic -I. -I$SRCDIR"
 108 LDFLAGS="-L."
 109 SO_LDFLAGS='-shared -Wl,-soname,$@'
 110 LIBS="-lm"
 111
 112 for opt; do
 113     optarg="${opt#*=}"
 114     case "$opt" in
 115         --prefix=*)
 116             prefix="$optarg"
 117             ;;
 118         --exec-prefix=*)
 119             exec_prefix="$optarg"
 120             ;;
 121         --bindir=*)
 122             bindir="$optarg"
 123             ;;
 124         --libdir=*)
 125             libdir="$optarg"
 126             ;;
 127         --includedir=*)
 128             includedir="$optarg"
 129             ;;
 130         --destdir=*)
 131             DESTDIR="$optarg"
 132             ;;
 133         --cc=*)
 134             CC="$optarg"
 135             LD="$optarg"
 136             ;;
 137         --target-os=*)
 138             TARGET_OS="$optarg"
 139             ;;
 140         --cross-prefix=*)
 141             CROSS="$optarg"
 142             ;;
 143         --sysroot=*)
 144             CFLAGS="$CFLAGS --sysroot=$optarg"
 145             LDFLAGS="$LDFLAGS --sysroot=$optarg"
 146             ;;
 147         --disable-static)
 148             STATICLIB=""
 149             SHAREDLIB="enabled"
 150             ;;
 151         --enable-shared)
 152             SHAREDLIB="enabled"
 153             ;;
 154         --enable-debug)
 155             DEBUG="enabled"
 156             ;;
 157         --extra-cflags=*)
 158             XCFLAGS="$optarg"
 159             ;;
 160         --extra-ldflags=*)
 161             XLDFLAGS="$optarg"
 162             ;;
 163         --extra-libs=*)
 164             XLIBS="$optarg"
 165             ;;
 166         *)
 167             error_exit "unknown option $opt"
 168             ;;
 169     esac
 170 done
 171
 172 test -n "$prefix" || prefix="/usr/local"
 173 test -n "$exec_prefix" || exec_prefix='${prefix}'
 174 test -n "$bindir" || bindir='${exec_prefix}/bin'
 175 test -n "$libdir" || libdir='${exec_prefix}/lib'
 176 test -n "$includedir" || includedir='${prefix}/include'
 177
 178
 179 CC="${CROSS}${CC}"
 180 AR="${CROSS}${AR}"
 181 LD="${CROSS}${LD}"
 182 RANLIB="${CROSS}${RANLIB}"
 183 STRIP="${CROSS}${STRIP}"
 184 for f in "$CC" "$AR" "$LD" "$RANLIB" "$STRIP"; do
 185     test -n "$(which $f 2> /dev/null)" || error_exit "$f is not executable"
 186 done
 187
 188
 189 MAJVER=$(grep -e '#define LSMASH_VERSION_MAJOR' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MAJOR //;s/ //g')
 190 MINVER=$(grep -e '#define LSMASH_VERSION_MINOR' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MINOR //;s/ //g')
 191 MICVER=$(grep -e '#define LSMASH_VERSION_MICRO' $SRCDIR/lsmash.h | sed -e 's/#define LSMASH_VERSION_MICRO //;s/ //g')
 192
 193 if test -n "$TARGET_OS"; then
 194     TARGET_OS=$(echo $TARGET_OS | tr '[A-Z]' '[a-z]')
 195 else
 196     TARGET_OS=$($CC -dumpmachine | tr '[A-Z]' '[a-z]')
 197 fi
 198 case "$TARGET_OS" in
 199     *mingw*)
 200         EXT=".exe"
 201         SHARED_EXT=".dll"
 202         IMPLIB="liblsmash.dll.a"
 203         SO_LDFLAGS="-shared -Wl,--out-implib,$IMPLIB"
 204         CFLAGS="$CFLAGS -D__USE_MINGW_ANSI_STDIO=1"
 205         ;;
 206     *cygwin*)
 207         EXT=".exe"
 208         SHARED_NAME="cyglsmash"
 209         SHARED_EXT=".dll"
 210         IMPLIB="liblsmash.dll.a"
 211         SO_LDFLAGS="-shared -Wl,--out-implib,$IMPLIB"
 212         ;;
 213     *darwin*)
 214         SHARED_EXT=".dylib"
 215         SO_LDFLAGS="-dynamiclib -Wl,-undefined,suppress -Wl,-read_only_relocs,suppress -Wl,-flat_namespace"
 216         ;;
 217     *solaris*)
 218         #patches welcome
 219         SHAREDLIB=""
 220         ;;
 221     *)
 222         SHARED_NAME="liblsmash"
 223         SHARED_EXT=".so.$MAJVER"
 224         if test -n "$SHAREDLIB"; then
 225             CFLAGS="$CFLAGS -fPIC"
 226             LDFLAGS="$LDFLAGS -fPIC"
 227         fi
 228         ;;
 229 esac
 230
 231
 232 STATICLIBNAME="${STATIC_NAME}${STATIC_EXT}"
 233 SHAREDLIBNAME="${SHARED_NAME}${SHARED_EXT}"
 234 test -n "$STATICLIB" && STATICLIB="$STATICLIBNAME"
 235 test -n "$SHAREDLIB" && SHAREDLIB="$SHAREDLIBNAME"
 236 test -z "$STATICLIB" -a -z "$SHAREDLIB" && \
 237     error_exit "--disable-static requires --enable-shared were specified"
 238 test -z "$SHAREDLIB" && SO_LDFLAGS=""
 239
 240
 241 CFLAGS="$CFLAGS $XCFLAGS"
 242 LDFLAGS="$LDFLAGS $XLDFLAGS"
 243 LIBS="$LIBS $XLIBS"
 244
 245
 246 # In order to avoid some compiler bugs, we don't use "-O3" for the default.
 247 # "-Os" unites "-O2" and "-finline-funtions" on x86/x86_64 in the latest GCC.
 248 # As a result of taking these into consideration, we make "-Os" a rated value.
 249 # And, we don't care about architecture related options.
 250 # If you want them, set up by yourself like --extra-cflags="-O3 -march=native".
 251 if test -n "$DEBUG"; then
 252     CFLAGS="$CFLAGS -g3 -O0"
 253     STRIP=""
 254 else
 255     CFLAGS="-Os -ffast-math $CFLAGS"
 256 fi
 257
 258
 259 if ! cc_check "$CFLAGS" "$LDFLAGS"; then
 260     error_exit "invalid CFLAGS/LDFLAGS"
 261 fi
 262
 263 if cc_check "$CFLAGS -fexcess-precision=fast" "$LDFLAGS"; then
 264     CFLAGS="$CFLAGS -fexcess-precision=fast"
 265 fi
 266
 267 if cc_check "$CFLAGS" "$LDFLAGS -Wl,--large-address-aware"; then
 268     LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
 269 fi
 270
 271
 272 #=============================================================================
 273 # Notation for developpers.
 274 # Be sure to modified this block when you add/delete source files.
 275 SRC_COMMON="   \
 276     alloc.c    \
 277     bits.c     \
 278     bytes.c    \
 279     list.c     \
 280     multibuf.c \
 281     osdep.c    \
 282     utils.c"
 283
 284 SRC_CODECS="      \
 285     a52.c         \
 286     alac.c        \
 287     description.c \
 288     dts.c         \
 289     h264.c        \
 290     hevc.c        \
 291     id.c          \
 292     mp4sys.c      \
 293     mp4a.c        \
 294     mp4v.c        \
 295     nalu.c        \
 296     qt_wfex.c     \
 297     vc1.c         \
 298     wma.c"
 299
 300 SRC_IMPORTER="  \
 301     a52_imp.c   \
 302     adts_imp.c  \
 303     als_imp.c   \
 304     amr_imp.c   \
 305     dts_imp.c   \
 306     importer.c  \
 307     isobm_imp.c \
 308     mp3_imp.c   \
 309     nalu_imp.c  \
 310     vc1_imp.c   \
 311     wave_imp.c"
 312
 313 SRC_CORE="     \
 314     box.c      \
 315     chapter.c  \
 316     file.c     \
 317     fragment.c \
 318     isom.c     \
 319     meta.c     \
 320     print.c    \
 321     read.c     \
 322     summary.c  \
 323     timeline.c \
 324     write.c"
 325
 326 SRCS=""
 327
 328 for src in $SRC_COMMON; do
 329     SRCS="$SRCS common/$src"
 330 done
 331
 332 for src in $SRC_CODECS; do
 333     SRCS="$SRCS codecs/$src"
 334 done
 335
 336 for src in $SRC_IMPORTER; do
 337     SRCS="$SRCS importer/$src"
 338 done
 339
 340 for src in $SRC_CORE; do
 341     SRCS="$SRCS core/$src"
 342 done
 343
 344 SRC_CLI="cli.c"
 345
 346 SRC_TOOLS=""
 347 OBJ_TOOLS=""
 348
 349 for src in $SRC_CLI; do
 350     SRC_TOOLS="$SRC_TOOLS cli/$src"
 351 done
 352
 353 for src in $SRC_TOOLS; do
 354     OBJ_TOOLS="$OBJ_TOOLS ${src%.c}.o"
 355 done
 356
 357 TOOLS_ALL="muxer remuxer boxdumper timelineeditor"
 358 TOOLS_NAME=""
 359 TOOLS="$TOOLS_ALL"
 360
 361 for tool in $TOOLS; do
 362     SRC_TOOLS="$SRC_TOOLS cli/${tool}.c"
 363     TOOLS_NAME="$TOOLS_NAME cli/${tool}${EXT}"
 364 done
 365 #=============================================================================
 366
 367 CURDIR="$PWD"
 368 cd $SRCDIR
 369 VER=$MAJVER.$MINVER.$MICVER
 370 REV="$(git rev-list HEAD 2> /dev/null | wc -l)"
 371 if test $REV -ne 0; then
 372     VER_STRING="$VER rev.$REV"
 373 else
 374     VER_STRING="$VER"
 375 fi
 376 HASH="$(git describe --always 2> /dev/null)"
 377 cd "$CURDIR"
 378 cat >> config.h << EOF
 379 #define LSMASH_REV "$REV"
 380 #define LSMASH_GIT_HASH "$HASH"
 381 EOF
 382
 383
 384 cat >> liblsmash.pc << EOF
 385 prefix=$prefix
 386 exec_prefix=$exec_prefix
 387 libdir=$libdir
 388 includedir=$includedir
 389
 390 Name: liblsmash
 391 Description: Loyal to Spec of MPEG4, and Ad-hock Simple Hackwork
 392 Version: $VER_STRING
 393 Requires:
 394 URL: https://github.com/l-smash/l-smash
 395 Libs: -L${libdir} -llsmash $LIBS
 396 Libs.private:
 397 Cflags: -I${includedir}
 398 EOF
 399
 400
 401 cat >> config.mak << EOF
 402 SRCDIR = $SRCDIR
 403 DESTDIR = $DESTDIR
 404 prefix = $prefix
 405 exec_prefix = $exec_prefix
 406 bindir = $bindir
 407 libdir = $libdir
 408 includedir = $includedir
 409 CC = $CC
 410 AR = $AR
 411 LD = $LD
 412 RANLIB = $RANLIB
 413 STRIP = $STRIP
 414 STATICLIBNAME = $STATICLIBNAME
 415 STATICLIB = $STATICLIB
 416 SHAREDLIBNAME = $SHAREDLIBNAME
 417 SHAREDLIB = $SHAREDLIB
 418 IMPLIB = $IMPLIB
 419 CFLAGS = $CFLAGS
 420 LDFLAGS = $LDFLAGS
 421 SO_LDFLAGS = $SO_LDFLAGS
 422 LIBS = $LIBS
 423 EOF
 424
 425 cat config.mak
 426
 427 cat >> config.mak << EOF
 428 SRCS = $SRCS
 429 SRC_TOOLS = $SRC_TOOLS
 430 TOOLS_ALL = $TOOLS_ALL
 431 TOOLS = $TOOLS_NAME
 432 MAJVER = $MAJVER
 433 EOF
 434
 435
 436 for tool in $TOOLS; do
 437     cat >> config.mak2 << EOF
 438 cli/${tool}${EXT}: cli/${tool}.o $OBJ_TOOLS $STATICLIB $SHAREDLIB
 439         \$(CC) \$(CFLAGS) \$(LDFLAGS) -o \$@ \$< $OBJ_TOOLS -llsmash \$(LIBS)
 440         -@ \$(if \$(STRIP), \$(STRIP) \$@)
 441
 442 EOF
 443 done
 444
 445
 446 test "$SRCDIR" = "." || ln -sf ${SRCDIR}/Makefile .
 447 mkdir -p cli codecs common core importer
 448
 449
 450 cat << EOF
 451
 452 configure finished
 453
 454   type 'make'             : compile library and tools
 455   type 'make install'     : install all into system
 456   type 'make lib'         : compile library only
 457   type 'make install-lib' : install library and header into system
 458
 459 EOF
 460
 461 exit 0