dnl Process this file with autoconf to produce a configure script dnl ------------------------------------------------ dnl Initialization and Versioning dnl ------------------------------------------------ AC_INIT(lib/mdct.c) AC_CANONICAL_HOST AC_CANONICAL_TARGET AM_CONFIG_HEADER([config.h]) AM_INIT_AUTOMAKE(libvorbis,1.2.0) AM_MAINTAINER_MODE dnl Library versioning V_LIB_CURRENT=4 V_LIB_REVISION=0 V_LIB_AGE=4 VF_LIB_CURRENT=5 VF_LIB_REVISION=0 VF_LIB_AGE=2 VE_LIB_CURRENT=2 VE_LIB_REVISION=3 VE_LIB_AGE=0 AC_SUBST(V_LIB_CURRENT) AC_SUBST(V_LIB_REVISION) AC_SUBST(V_LIB_AGE) AC_SUBST(VF_LIB_CURRENT) AC_SUBST(VF_LIB_REVISION) AC_SUBST(VF_LIB_AGE) AC_SUBST(VE_LIB_CURRENT) AC_SUBST(VE_LIB_REVISION) AC_SUBST(VE_LIB_AGE) dnl -------------------------------------------------- dnl Check for programs dnl -------------------------------------------------- dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2" dnl if $CFLAGS is blank cflags_save="$CFLAGS" AC_PROG_CC AC_PROG_CPP CFLAGS="$cflags_save" AM_PROG_LIBTOOL dnl docbook xml transform and processing tools AC_ARG_ENABLE(docs, [ --enable-docs build the documentation], [case "${enableval}" in yes) build_docs=true;; no) build_docs=false;; *) AC_MSG_ERROR(unknown value ${enableval} for --enable-docs);; esac],[build_docs=false]) dnl ideally we'd look for other tools and support them if test x$build_docs = xtrue; then AC_CHECK_PROGS([XSLTPROC], xsltproc, [/bin/false]) AC_CHECK_PROGS([PDFXMLTEX], pdfxmltex, [/bin/false]) if test "x$XSLTPROC" = "x/bin/false" || test "x$PDFXMLTEX" = "x/bin/false"; then build_docs=false AC_MSG_WARN([Documentation will not be built!]) fi fi AM_CONDITIONAL(BUILD_DOCS, [test x$build_docs = xtrue]) dnl -------------------------------------------------- dnl Set build flags based on environment dnl -------------------------------------------------- dnl Set some target options cflags_save="$CFLAGS" if test -z "$GCC"; then case $host in *-*-irix*) dnl If we're on IRIX, we wanna use cc even if gcc dnl is there (unless the user has overriden us)... if test -z "$CC"; then CC=cc fi DEBUG="-g -signed" CFLAGS="-O2 -w -signed" PROFILE="-p -g3 -O2 -signed" ;; sparc-sun-solaris*) DEBUG="-v -g" CFLAGS="-xO4 -fast -w -fsimple -native -xcg92" PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;; *) DEBUG="-g" CFLAGS="-O" PROFILE="-g -p" ;; esac else AC_MSG_CHECKING([GCC version]) GCC_VERSION=`$CC -dumpversion` AC_MSG_RESULT([$GCC_VERSION]) case $host in *86-*-linux*) DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char" CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char" # PROFILE="-Wall -W -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static" PROFILE="-Wall -W -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline" # glibc < 2.1.3 has a serious FP bug in the math inline header # that will cripple Vorbis. Look to see if the magic FP stack # clobber is missing in the mathinline header, thus indicating # the buggy version AC_EGREP_CPP(log10.*fldlg2.*fxch,[ #define __LIBC_INTERNAL_MATH_INLINES 1 #define __OPTIMIZE__ #include ],bad=maybe,bad=no) if test ${bad} = "maybe" ;then AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\), [ #define __LIBC_INTERNAL_MATH_INLINES 1 #define __OPTIMIZE__ #include ],bad=no,bad=yes) fi if test ${bad} = "yes" ;then AC_MSG_WARN([ ]) AC_MSG_WARN([********************************************************]) AC_MSG_WARN([* The glibc headers on this machine have a serious bug *]) AC_MSG_WARN([* in /usr/include/bits/mathinline.h This bug affects *]) AC_MSG_WARN([* all floating point code, not just Ogg, built on this *]) AC_MSG_WARN([* machine. Upgrading to glibc 2.1.3 is strongly urged *]) AC_MSG_WARN([* to correct the problem. Note that upgrading glibc *]) AC_MSG_WARN([* will not fix any previously built programs; this is *]) AC_MSG_WARN([* a compile-time time bug. *]) AC_MSG_WARN([* To work around the problem for this build of Ogg, *]) AC_MSG_WARN([* autoconf is disabling all math inlining. This will *]) AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *]) AC_MSG_WARN([* will actually work. Once glibc is upgraded, rerun *]) AC_MSG_WARN([* configure and make to build with inlining. *]) AC_MSG_WARN([********************************************************]) AC_MSG_WARN([ ]) CFLAGS=${OPT}" -D__NO_MATH_INLINES" PROFILE=${PROFILE}" -D__NO_MATH_INLINES" fi;; powerpc-*-linux*) DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES" CFLAGS="-O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT" PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";; *-*-linux*) DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char" CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char" PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";; sparc-sun-*) DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char -mv8" CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8" PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;; *-*-darwin*) DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char" CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char" PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";; *) DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char" CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char" PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;; esac fi CFLAGS="$CFLAGS $cflags_save" dnl -------------------------------------------------- dnl Check for headers dnl -------------------------------------------------- AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:) dnl -------------------------------------------------- dnl Check for typedefs, structures, etc dnl -------------------------------------------------- dnl none dnl -------------------------------------------------- dnl Check for libraries dnl -------------------------------------------------- AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="") AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :) HAVE_OGG=no dnl first check through pkg-config dnl check for pkg-config itself so we don't try the m4 macro without pkg-config AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes) if test "x$HAVE_PKG_CONFIG" = "xyes" then PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no) fi if test "x$HAVE_OGG" = "xno" then dnl fall back to the old school test XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!)) libs_save=$LIBS LIBS="$OGG_LIBS $VORBIS_LIBS" AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !)) LIBS=$libs_save fi dnl -------------------------------------------------- dnl Check for library functions dnl -------------------------------------------------- AC_FUNC_ALLOCA AC_FUNC_MEMCMP dnl -------------------------------------------------- dnl Do substitutions dnl -------------------------------------------------- AC_SUBST(VORBIS_LIBS) AC_SUBST(DEBUG) AC_SUBST(PROFILE) AC_SUBST(pthread_lib) AC_OUTPUT([ Makefile lib/Makefile lib/modes/Makefile lib/books/Makefile lib/books/coupled/Makefile lib/books/uncoupled/Makefile lib/books/floor/Makefile doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile include/Makefile include/vorbis/Makefile examples/Makefile vq/Makefile libvorbis.spec vorbis.pc vorbisenc.pc vorbisfile.pc vorbis-uninstalled.pc vorbisenc-uninstalled.pc vorbisfile-uninstalled.pc ])