Chris@1: dnl Process this file with autoconf to produce a configure script
Chris@1: 
Chris@1: dnl ------------------------------------------------
Chris@1: dnl Initialization and Versioning
Chris@1: dnl ------------------------------------------------
Chris@1: 
Chris@1: 
Chris@1: AC_INIT([libvorbis],[1.3.3],[vorbis-dev@xiph.org])
Chris@1: 
Chris@1: AC_CONFIG_SRCDIR([lib/mdct.c])
Chris@1: 
Chris@1: AC_CANONICAL_TARGET([])
Chris@1: 
Chris@1: AM_INIT_AUTOMAKE($PACKAGE_NAME,$PACKAGE_VERSION)
Chris@1: AM_MAINTAINER_MODE
Chris@1: AM_CONFIG_HEADER([config.h])
Chris@1: 
Chris@1: dnl Add parameters for aclocal
Chris@1: AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
Chris@1: 
Chris@1: dnl Library versioning
Chris@1: dnl - library source changed -> increment REVISION
Chris@1: dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
Chris@1: dnl - interfaces added -> increment AGE
Chris@1: dnl - interfaces removed -> AGE = 0
Chris@1: 
Chris@1: V_LIB_CURRENT=4
Chris@1: V_LIB_REVISION=6
Chris@1: V_LIB_AGE=4
Chris@1: 
Chris@1: VF_LIB_CURRENT=6
Chris@1: VF_LIB_REVISION=5
Chris@1: VF_LIB_AGE=3
Chris@1: 
Chris@1: VE_LIB_CURRENT=2
Chris@1: VE_LIB_REVISION=9
Chris@1: VE_LIB_AGE=0
Chris@1: 
Chris@1: AC_SUBST(V_LIB_CURRENT)
Chris@1: AC_SUBST(V_LIB_REVISION)
Chris@1: AC_SUBST(V_LIB_AGE)
Chris@1: AC_SUBST(VF_LIB_CURRENT)
Chris@1: AC_SUBST(VF_LIB_REVISION)
Chris@1: AC_SUBST(VF_LIB_AGE)
Chris@1: AC_SUBST(VE_LIB_CURRENT)
Chris@1: AC_SUBST(VE_LIB_REVISION)
Chris@1: AC_SUBST(VE_LIB_AGE)
Chris@1: 
Chris@1: dnl --------------------------------------------------  
Chris@1: dnl Check for programs
Chris@1: dnl --------------------------------------------------  
Chris@1: 
Chris@1: dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
Chris@1: dnl if $CFLAGS is blank
Chris@1: cflags_save="$CFLAGS"
Chris@1: AC_PROG_CC
Chris@1: AC_PROG_CPP
Chris@1: CFLAGS="$cflags_save"
Chris@1: 
Chris@1: AC_C_INLINE
Chris@1: 
Chris@1: AC_LIBTOOL_WIN32_DLL
Chris@1: AC_PROG_LIBTOOL
Chris@1: AM_PROG_CC_C_O
Chris@1: 
Chris@1: dnl Check for doxygen
Chris@1: if test "x$enable_docs" = xyes; then
Chris@1:   AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
Chris@1:   if test $HAVE_DOXYGEN = "false"; then
Chris@1:     AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
Chris@1:   fi
Chris@1: else
Chris@1:   HAVE_DOXYGEN=false
Chris@1: fi
Chris@1: AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
Chris@1: 
Chris@1: dnl latex tools for the specification document
Chris@1: AC_ARG_ENABLE(docs,
Chris@1: 	AC_HELP_STRING([--enable-docs], [build the documentation]))
Chris@1: 
Chris@1: if test "x$enable_docs" = xyes; then
Chris@1:   AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
Chris@1:   AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
Chris@1:   if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
Chris@1:     enable_docs=no
Chris@1:     AC_MSG_WARN([Documentation will not be built!])
Chris@1:   fi
Chris@1: fi
Chris@1: 
Chris@1: AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
Chris@1: 
Chris@1: AC_ARG_ENABLE(examples, 
Chris@1:   AS_HELP_STRING([--enable-examples], [build the examples])) 
Chris@1:  	
Chris@1: AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes]) 
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Set build flags based on environment
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: dnl Set some target options
Chris@1: 
Chris@1: cflags_save="$CFLAGS"
Chris@1: if test -z "$GCC"; then
Chris@1: 	case $host in 
Chris@1: 	*-*-irix*)
Chris@1: 		dnl If we're on IRIX, we wanna use cc even if gcc 
Chris@1: 		dnl is there (unless the user has overriden us)...
Chris@1: 		if test -z "$CC"; then
Chris@1: 			CC=cc
Chris@1: 		fi
Chris@1: 		DEBUG="-g -signed" 
Chris@1: 		CFLAGS="-O2 -w -signed"
Chris@1: 		PROFILE="-p -g3 -O2 -signed" ;;
Chris@1: 	sparc-sun-solaris*)
Chris@1: 		DEBUG="-v -g"
Chris@1: 		CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
Chris@1: 		PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
Chris@1: 	*)
Chris@1: 		DEBUG="-g"
Chris@1: 		CFLAGS="-O"
Chris@1: 		PROFILE="-g -p" ;;
Chris@1:         esac
Chris@1: else
Chris@1: 
Chris@1: 	AC_MSG_CHECKING([GCC version])
Chris@1: 	GCC_VERSION=`$CC -dumpversion`
Chris@1: 	AC_MSG_RESULT([$GCC_VERSION])
Chris@1: 	case $host in 
Chris@1: 	*86-*-linux*)
Chris@1: 		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
Chris@1: 		CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
Chris@1: #              	PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
Chris@1: 		PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
Chris@1: 
Chris@1: 		# glibc < 2.1.3 has a serious FP bug in the math inline header
Chris@1: 		# that will cripple Vorbis.  Look to see if the magic FP stack
Chris@1: 		# clobber is missing in the mathinline header, thus indicating
Chris@1: 		# the buggy version
Chris@1: 
Chris@1: 		AC_EGREP_CPP(log10.*fldlg2.*fxch,[
Chris@1: 				#define __LIBC_INTERNAL_MATH_INLINES 1
Chris@1: 			     	#define __OPTIMIZE__
Chris@1: 				#include <math.h>
Chris@1: 				],bad=maybe,bad=no)
Chris@1: 		if test ${bad} = "maybe" ;then
Chris@1: 		      AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
Chris@1: 					[
Chris@1: 					#define __LIBC_INTERNAL_MATH_INLINES 1
Chris@1: 				     	#define __OPTIMIZE__
Chris@1: 					#include <math.h>
Chris@1: 					],bad=no,bad=yes)
Chris@1: 		fi
Chris@1:  		if test ${bad} = "yes" ;then
Chris@1:  AC_MSG_WARN([                                                        ])
Chris@1:  AC_MSG_WARN([********************************************************])
Chris@1:  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
Chris@1:  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
Chris@1:  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
Chris@1:  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
Chris@1:  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
Chris@1:  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
Chris@1:  AC_MSG_WARN([* a compile-time time bug.                             *])
Chris@1:  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
Chris@1:  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
Chris@1:  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
Chris@1:  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
Chris@1:  AC_MSG_WARN([* configure and make to build with inlining.           *])
Chris@1:  AC_MSG_WARN([********************************************************])
Chris@1:  AC_MSG_WARN([                                                        ])
Chris@1: 
Chris@1:   		CFLAGS=${OPT}" -D__NO_MATH_INLINES"
Chris@1:   		PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
Chris@1:   		fi;;
Chris@1:         powerpc-*-linux*spe) 
Chris@1:  	        DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES" 
Chris@1:  	        CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT" 
Chris@1:  	        PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";; 
Chris@1: 	powerpc-*-linux*)
Chris@1: 		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
Chris@1: 		CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
Chris@1: 		PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
Chris@1: 	*-*-linux*)
Chris@1: 		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
Chris@1: 		CFLAGS="-O20 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
Chris@1: 		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
Chris@1: 	sparc-sun-*)
Chris@1: 		sparc_cpu=""
Chris@1: 		AC_MSG_CHECKING([if gcc supports -mv8])
Chris@1: 		old_cflags="$CFLAGS"
Chris@1: 		CFLAGS="$CFLAGS -mv8"
Chris@1: 		AC_TRY_COMPILE(, [return 0;], [
Chris@1: 			AC_MSG_RESULT([yes])
Chris@1: 			sparc_cpu="-mv8"
Chris@1: 		])
Chris@1: 		CFLAGS="$old_cflags"
Chris@1: 		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
Chris@1: 		CFLAGS="-O20 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
Chris@1: 		PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
Chris@1: 	*-*-darwin*)
Chris@1: 		DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
Chris@1: 		CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
Chris@1: 		PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
Chris@1: 	*-*-os2*)
Chris@1: 		# Use -W instead of -Wextra because gcc on OS/2 is an old version.
Chris@1: 		DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
Chris@1: 		CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
Chris@1: 		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
Chris@1:  	*)
Chris@1: 		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
Chris@1: 		CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
Chris@1: 		PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
Chris@1:         esac
Chris@1: 
Chris@1:         AC_ADD_CFLAGS([-Wdeclaration-after-statement])
Chris@1: fi
Chris@1: CFLAGS="$CFLAGS $cflags_save"
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Check for headers
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Check for typedefs, structures, etc
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: dnl none
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Check for libraries
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
Chris@1: AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
Chris@1: 
Chris@1: PKG_PROG_PKG_CONFIG
Chris@1: 
Chris@1: HAVE_OGG=no
Chris@1: if test "x$PKG_CONFIG" != "x"
Chris@1: then
Chris@1:   PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
Chris@1: fi
Chris@1: if test "x$HAVE_OGG" = "xno"
Chris@1: then
Chris@1:   dnl fall back to the old school test
Chris@1:   XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
Chris@1:   libs_save=$LIBS
Chris@1:   LIBS="$OGG_LIBS $VORBIS_LIBS"
Chris@1:   AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
Chris@1:   LIBS=$libs_save
Chris@1: fi
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Check for library functions
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: AC_FUNC_ALLOCA
Chris@1: AC_FUNC_MEMCMP
Chris@1: 
Chris@1: dnl --------------------------------------------------
Chris@1: dnl Do substitutions
Chris@1: dnl --------------------------------------------------
Chris@1: 
Chris@1: AC_SUBST(VORBIS_LIBS)
Chris@1: AC_SUBST(DEBUG)
Chris@1: AC_SUBST(PROFILE)
Chris@1: AC_SUBST(pthread_lib)
Chris@1: 
Chris@1: dnl The following line causes the libtool distributed with the source
Chris@1: dnl to be replaced if the build system has a more recent version.
Chris@1: AC_SUBST(LIBTOOL_DEPS)
Chris@1: 
Chris@1: AC_OUTPUT([
Chris@1: Makefile
Chris@1: m4/Makefile
Chris@1: lib/Makefile
Chris@1: lib/modes/Makefile
Chris@1: lib/books/Makefile
Chris@1: lib/books/coupled/Makefile
Chris@1: lib/books/uncoupled/Makefile
Chris@1: lib/books/floor/Makefile
Chris@1: doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile doc/libvorbis/Makefile
Chris@1: doc/Doxyfile
Chris@1: include/Makefile include/vorbis/Makefile
Chris@1: examples/Makefile
Chris@1: test/Makefile
Chris@1: vq/Makefile
Chris@1: libvorbis.spec
Chris@1: vorbis.pc
Chris@1: vorbisenc.pc
Chris@1: vorbisfile.pc
Chris@1: vorbis-uninstalled.pc
Chris@1: vorbisenc-uninstalled.pc
Chris@1: vorbisfile-uninstalled.pc
Chris@1: ])