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     vc1.c         \
 295     wma.c"
 296
 297 SRC_IMPORTER="  \
 298     a52_imp.c   \
 299     adts_imp.c  \
 300     als_imp.c   \
 301     amr_imp.c   \
 302     dts_imp.c   \
 303     importer.c  \
 304     isobm_imp.c \
 305     mp3_imp.c   \
 306     nalu_imp.c  \
 307     vc1_imp.c   \
 308     wave_imp.c"
 309
 310 SRC_CORE="     \
 311     box.c      \
 312     chapter.c  \
 313     file.c     \
 314     fragment.c \
 315     isom.c     \
 316     meta.c     \
 317     print.c    \
 318     read.c     \
 319     summary.c  \
 320     timeline.c \
 321     write.c"
 322
 323 SRCS=""
 324
 325 for src in $SRC_COMMON; do
 326     SRCS="$SRCS common/$src"
 327 done
 328
 329 for src in $SRC_CODECS; do
 330     SRCS="$SRCS codecs/$src"
 331 done
 332
 333 for src in $SRC_IMPORTER; do
 334     SRCS="$SRCS importer/$src"
 335 done
 336
 337 for src in $SRC_CORE; do
 338     SRCS="$SRCS core/$src"
 339 done
 340
 341 SRC_CLI="cli.c"
 342
 343 SRC_TOOLS=""
 344 OBJ_TOOLS=""
 345
 346 for src in $SRC_CLI; do
 347     SRC_TOOLS="$SRC_TOOLS cli/$src"
 348 done
 349
 350 for src in $SRC_TOOLS; do
 351     OBJ_TOOLS="$OBJ_TOOLS ${src%.c}.o"
 352 done
 353
 354 TOOLS_ALL="muxer remuxer boxdumper timelineeditor"
 355 TOOLS_NAME=""
 356 TOOLS="$TOOLS_ALL"
 357
 358 for tool in $TOOLS; do
 359     SRC_TOOLS="$SRC_TOOLS cli/${tool}.c"
 360     TOOLS_NAME="$TOOLS_NAME cli/${tool}${EXT}"
 361 done
 362 #=============================================================================
 363
 364 CURDIR="$PWD"
 365 cd $SRCDIR
 366 VER=$MAJVER.$MINVER.$MICVER
 367 REV="$(git rev-list HEAD 2> /dev/null | wc -l)"
 368 if test $REV -ne 0; then
 369     VER_STRING="$VER rev.$REV"
 370 else
 371     VER_STRING="$VER"
 372 fi
 373 HASH="$(git describe --always 2> /dev/null)"
 374 cd "$CURDIR"
 375 cat >> config.h << EOF
 376 #define LSMASH_REV "$REV"
 377 #define LSMASH_GIT_HASH "$HASH"
 378 EOF
 379
 380
 381 cat >> liblsmash.pc << EOF
 382 prefix=$prefix
 383 exec_prefix=$exec_prefix
 384 libdir=$libdir
 385 includedir=$includedir
 386
 387 Name: liblsmash
 388 Description: Loyal to Spec of MPEG4, and Ad-hock Simple Hackwork
 389 Version: $VER_STRING
 390 Requires:
 391 URL: https://github.com/l-smash/l-smash
 392 Libs: -L${libdir} -llsmash $LIBS
 393 Libs.private:
 394 Cflags: -I${includedir}
 395 EOF
 396
 397
 398 cat >> config.mak << EOF
 399 SRCDIR = $SRCDIR
 400 DESTDIR = $DESTDIR
 401 prefix = $prefix
 402 exec_prefix = $exec_prefix
 403 bindir = $bindir
 404 libdir = $libdir
 405 includedir = $includedir
 406 CC = $CC
 407 AR = $AR
 408 LD = $LD
 409 RANLIB = $RANLIB
 410 STRIP = $STRIP
 411 STATICLIBNAME = $STATICLIBNAME
 412 STATICLIB = $STATICLIB
 413 SHAREDLIBNAME = $SHAREDLIBNAME
 414 SHAREDLIB = $SHAREDLIB
 415 IMPLIB = $IMPLIB
 416 CFLAGS = $CFLAGS
 417 LDFLAGS = $LDFLAGS
 418 SO_LDFLAGS = $SO_LDFLAGS
 419 LIBS = $LIBS
 420 EOF
 421
 422 cat config.mak
 423
 424 cat >> config.mak << EOF
 425 SRCS = $SRCS
 426 SRC_TOOLS = $SRC_TOOLS
 427 TOOLS_ALL = $TOOLS_ALL
 428 TOOLS = $TOOLS_NAME
 429 MAJVER = $MAJVER
 430 EOF
 431
 432
 433 for tool in $TOOLS; do
 434     cat >> config.mak2 << EOF
 435 cli/${tool}${EXT}: cli/${tool}.o $OBJ_TOOLS $STATICLIB $SHAREDLIB
 436         \$(CC) \$(CFLAGS) \$(LDFLAGS) -o \$@ \$< $OBJ_TOOLS -llsmash \$(LIBS)
 437         -@ \$(if \$(STRIP), \$(STRIP) \$@)
 438
 439 EOF
 440 done
 441
 442
 443 test "$SRCDIR" = "." || ln -sf ${SRCDIR}/Makefile .
 444 mkdir -p cli codecs common core importer
 445
 446
 447 cat << EOF
 448
 449 configure finished
 450
 451   type 'make'             : compile library and tools
 452   type 'make install'     : install all into system
 453   type 'make lib'         : compile library only
 454   type 'make install-lib' : install library and header into system
 455
 456 EOF
 457
 458 exit 0