1dnl Process this file with autoconf to produce a configure script
2
3dnl ------------------------------------------------
4dnl Initialization and Versioning
5dnl ------------------------------------------------
6
7
8AC_INIT([libvorbis],[1.3.1],[vorbis-dev@xiph.org])
9
10AC_CONFIG_SRCDIR([lib/mdct.c])
11
12AC_CANONICAL_TARGET([])
13
14AM_INIT_AUTOMAKE($PACKAGE_NAME,$PACKAGE_VERSION)
15AM_MAINTAINER_MODE
16AM_CONFIG_HEADER([config.h])
17
18dnl Add parameters for aclocal
19AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
20
21dnl Library versioning
22dnl - library source changed -> increment REVISION
23dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
24dnl - interfaces added -> increment AGE
25dnl - interfaces removed -> AGE = 0
26
27V_LIB_CURRENT=4
28V_LIB_REVISION=4
29V_LIB_AGE=4
30
31VF_LIB_CURRENT=6
32VF_LIB_REVISION=2
33VF_LIB_AGE=3
34
35VE_LIB_CURRENT=2
36VE_LIB_REVISION=7
37VE_LIB_AGE=0
38
39AC_SUBST(V_LIB_CURRENT)
40AC_SUBST(V_LIB_REVISION)
41AC_SUBST(V_LIB_AGE)
42AC_SUBST(VF_LIB_CURRENT)
43AC_SUBST(VF_LIB_REVISION)
44AC_SUBST(VF_LIB_AGE)
45AC_SUBST(VE_LIB_CURRENT)
46AC_SUBST(VE_LIB_REVISION)
47AC_SUBST(VE_LIB_AGE)
48
49dnl --------------------------------------------------
50dnl Check for programs
51dnl --------------------------------------------------
52
53dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
54dnl if $CFLAGS is blank
55cflags_save="$CFLAGS"
56AC_PROG_CC
57AC_PROG_CPP
58CFLAGS="$cflags_save"
59
60AC_C_INLINE
61
62AC_LIBTOOL_WIN32_DLL
63AC_PROG_LIBTOOL
64AM_PROG_CC_C_O
65
66dnl Check for doxygen
67if test "x$enable_docs" = xyes; then
68  AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
69  if test $HAVE_DOXYGEN = "false"; then
70    AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
71  fi
72else
73  HAVE_DOXYGEN=false
74fi
75AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
76
77dnl latex tools for the specification document
78AC_ARG_ENABLE(docs,
79	AC_HELP_STRING([--enable-docs], [build the documentation]))
80
81if test "x$enable_docs" = xyes; then
82  AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
83  AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
84  if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
85    enable_docs=no
86    AC_MSG_WARN([Documentation will not be built!])
87  fi
88fi
89
90AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
91
92AC_ARG_ENABLE(examples,
93  AS_HELP_STRING([--enable-examples], [build the examples]))
94
95AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes])
96
97dnl --------------------------------------------------
98dnl Set build flags based on environment
99dnl --------------------------------------------------
100
101dnl Set some target options
102
103cflags_save="$CFLAGS"
104if test -z "$GCC"; then
105	case $host in
106	*-*-irix*)
107		dnl If we're on IRIX, we wanna use cc even if gcc
108		dnl is there (unless the user has overriden us)...
109		if test -z "$CC"; then
110			CC=cc
111		fi
112		DEBUG="-g -signed"
113		CFLAGS="-O2 -w -signed"
114		PROFILE="-p -g3 -O2 -signed" ;;
115	sparc-sun-solaris*)
116		DEBUG="-v -g"
117		CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
118		PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
119	*)
120		DEBUG="-g"
121		CFLAGS="-O"
122		PROFILE="-g -p" ;;
123        esac
124else
125
126	AC_MSG_CHECKING([GCC version])
127	GCC_VERSION=`$CC -dumpversion`
128	AC_MSG_RESULT([$GCC_VERSION])
129	case $host in
130	*86-*-linux*)
131		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
132		CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
133#              	PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
134		PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
135
136		# glibc < 2.1.3 has a serious FP bug in the math inline header
137		# that will cripple Vorbis.  Look to see if the magic FP stack
138		# clobber is missing in the mathinline header, thus indicating
139		# the buggy version
140
141		AC_EGREP_CPP(log10.*fldlg2.*fxch,[
142				#define __LIBC_INTERNAL_MATH_INLINES 1
143			     	#define __OPTIMIZE__
144				#include <math.h>
145				],bad=maybe,bad=no)
146		if test ${bad} = "maybe" ;then
147		      AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
148					[
149					#define __LIBC_INTERNAL_MATH_INLINES 1
150				     	#define __OPTIMIZE__
151					#include <math.h>
152					],bad=no,bad=yes)
153		fi
154 		if test ${bad} = "yes" ;then
155 AC_MSG_WARN([                                                        ])
156 AC_MSG_WARN([********************************************************])
157 AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
158 AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
159 AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
160 AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
161 AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
162 AC_MSG_WARN([* will not fix any previously built programs; this is  *])
163 AC_MSG_WARN([* a compile-time time bug.                             *])
164 AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
165 AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
166 AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
167 AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
168 AC_MSG_WARN([* configure and make to build with inlining.           *])
169 AC_MSG_WARN([********************************************************])
170 AC_MSG_WARN([                                                        ])
171
172  		CFLAGS=${OPT}" -D__NO_MATH_INLINES"
173  		PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
174  		fi;;
175        powerpc-*-linux*spe)
176 	        DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
177 	        CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT"
178 	        PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";;
179	powerpc-*-linux*)
180		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
181		CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
182		PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
183	*-*-linux*)
184		DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
185		CFLAGS="-O20 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
186		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
187	sparc-sun-*)
188		sparc_cpu=""
189		AC_MSG_CHECKING([if gcc supports -mv8])
190		old_cflags="$CFLAGS"
191		CFLAGS="$CFLAGS -mv8"
192		AC_TRY_COMPILE(, [return 0;], [
193			AC_MSG_RESULT([yes])
194			sparc_cpu="-mv8"
195		])
196		CFLAGS="$old_cflags"
197		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
198		CFLAGS="-O20 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
199		PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
200	*-*-darwin*)
201		DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
202		CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
203		PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
204	*-*-os2*)
205		# Use -W instead of -Wextra because gcc on OS/2 is an old version.
206		DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
207		CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
208		PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
209 	*)
210		DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
211		CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
212		PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
213        esac
214
215        AC_ADD_CFLAGS([-Wdeclaration-after-statement])
216fi
217CFLAGS="$CFLAGS $cflags_save"
218
219dnl --------------------------------------------------
220dnl Check for headers
221dnl --------------------------------------------------
222
223AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
224
225dnl --------------------------------------------------
226dnl Check for typedefs, structures, etc
227dnl --------------------------------------------------
228
229dnl none
230
231dnl --------------------------------------------------
232dnl Check for libraries
233dnl --------------------------------------------------
234
235AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
236AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
237
238PKG_PROG_PKG_CONFIG
239
240HAVE_OGG=no
241if test "x$PKG_CONFIG" != "x"
242then
243  PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
244fi
245if test "x$HAVE_OGG" = "xno"
246then
247  dnl fall back to the old school test
248  XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
249  libs_save=$LIBS
250  LIBS="$OGG_LIBS $VORBIS_LIBS"
251  AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
252  LIBS=$libs_save
253fi
254
255dnl --------------------------------------------------
256dnl Check for library functions
257dnl --------------------------------------------------
258
259AC_FUNC_ALLOCA
260AC_FUNC_MEMCMP
261
262dnl --------------------------------------------------
263dnl Do substitutions
264dnl --------------------------------------------------
265
266AC_SUBST(VORBIS_LIBS)
267AC_SUBST(DEBUG)
268AC_SUBST(PROFILE)
269AC_SUBST(pthread_lib)
270
271dnl The following line causes the libtool distributed with the source
272dnl to be replaced if the build system has a more recent version.
273AC_SUBST(LIBTOOL_DEPS)
274
275AC_OUTPUT([
276Makefile
277m4/Makefile
278lib/Makefile
279lib/modes/Makefile
280lib/books/Makefile
281lib/books/coupled/Makefile
282lib/books/uncoupled/Makefile
283lib/books/floor/Makefile
284doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile
285doc/Doxyfile
286include/Makefile include/vorbis/Makefile
287examples/Makefile
288test/Makefile
289vq/Makefile
290libvorbis.spec
291vorbis.pc
292vorbisenc.pc
293vorbisfile.pc
294vorbis-uninstalled.pc
295vorbisenc-uninstalled.pc
296vorbisfile-uninstalled.pc
297])
298