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