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1 dnl Process this file with autoconf to produce a configure script
2
3 dnl ------------------------------------------------
4 dnl Initialization and Versioning
5 dnl ------------------------------------------------
6
7
8 AC_INIT([libvorbis],[1.3.1],[vorbis-dev@xiph.org])
9
10 AC_CONFIG_SRCDIR([lib/mdct.c])
11
12 AC_CANONICAL_TARGET([])
13
14 AM_INIT_AUTOMAKE($PACKAGE_NAME,$PACKAGE_VERSION)
15 AM_MAINTAINER_MODE
16 AM_CONFIG_HEADER([config.h])
17
18 dnl Add parameters for aclocal
19 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
20
21 dnl Library versioning
22 dnl - library source changed -> increment REVISION
23 dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
24 dnl - interfaces added -> increment AGE
25 dnl - interfaces removed -> AGE = 0
26
27 V_LIB_CURRENT=4
28 V_LIB_REVISION=4
29 V_LIB_AGE=4
30
31 VF_LIB_CURRENT=6
32 VF_LIB_REVISION=2
33 VF_LIB_AGE=3
34
35 VE_LIB_CURRENT=2
36 VE_LIB_REVISION=7
37 VE_LIB_AGE=0
38
39 AC_SUBST(V_LIB_CURRENT)
40 AC_SUBST(V_LIB_REVISION)
41 AC_SUBST(V_LIB_AGE)
42 AC_SUBST(VF_LIB_CURRENT)
43 AC_SUBST(VF_LIB_REVISION)
44 AC_SUBST(VF_LIB_AGE)
45 AC_SUBST(VE_LIB_CURRENT)
46 AC_SUBST(VE_LIB_REVISION)
47 AC_SUBST(VE_LIB_AGE)
48
49 dnl --------------------------------------------------  
50 dnl Check for programs
51 dnl --------------------------------------------------  
52
53 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
54 dnl if $CFLAGS is blank
55 cflags_save="$CFLAGS"
56 AC_PROG_CC
57 AC_PROG_CPP
58 CFLAGS="$cflags_save"
59
60 AC_C_INLINE
61
62 AC_LIBTOOL_WIN32_DLL
63 AC_PROG_LIBTOOL
64 AM_PROG_CC_C_O
65
66 dnl Check for doxygen
67 if test "x$enable_docs" = xyes; then
68   AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
69   if test $HAVE_DOXYGEN = "false"; then
70     AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
71   fi
72 else
73   HAVE_DOXYGEN=false
74 fi
75 AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
76
77 dnl latex tools for the specification document
78 AC_ARG_ENABLE(docs,
79         AC_HELP_STRING([--enable-docs], [build the documentation]))
80
81 if 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$HTLATEX" = x/bin/false; then
85     enable_docs=no
86     AC_MSG_WARN([Documentation will not be built!])
87   fi
88 fi
89
90 AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
91
92 AC_ARG_ENABLE(examples, 
93   AS_HELP_STRING([--enable-examples], [build the examples])) 
94         
95 AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes]) 
96
97 dnl --------------------------------------------------
98 dnl Set build flags based on environment
99 dnl --------------------------------------------------
100
101 dnl Set some target options
102
103 cflags_save="$CFLAGS"
104 if 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
124 else
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 $sparc_cpu" ;;
200         *-*-darwin*)
201                 DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
202                 CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
203                 PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
204         *-*-os2*)
205                 # Use -W instead of -Wextra because gcc on OS/2 is an old version.
206                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
207                 CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
208                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
209         *)
210                 DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
211                 CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
212                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
213         esac
214
215         AC_ADD_CFLAGS([-Wdeclaration-after-statement])
216 fi
217 CFLAGS="$CFLAGS $cflags_save"
218
219 dnl --------------------------------------------------
220 dnl Check for headers
221 dnl --------------------------------------------------
222
223 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
224
225 dnl --------------------------------------------------
226 dnl Check for typedefs, structures, etc
227 dnl --------------------------------------------------
228
229 dnl none
230
231 dnl --------------------------------------------------
232 dnl Check for libraries
233 dnl --------------------------------------------------
234
235 AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
236 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
237
238 PKG_PROG_PKG_CONFIG
239
240 HAVE_OGG=no
241 if test "x$PKG_CONFIG" != "x"
242 then
243   PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
244 fi
245 if test "x$HAVE_OGG" = "xno"
246 then
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
253 fi
254
255 dnl --------------------------------------------------
256 dnl Check for library functions
257 dnl --------------------------------------------------
258
259 AC_FUNC_ALLOCA
260 AC_FUNC_MEMCMP
261
262 dnl --------------------------------------------------
263 dnl Do substitutions
264 dnl --------------------------------------------------
265
266 AC_SUBST(VORBIS_LIBS)
267 AC_SUBST(DEBUG)
268 AC_SUBST(PROFILE)
269 AC_SUBST(pthread_lib)
270
271 dnl The following line causes the libtool distributed with the source
272 dnl to be replaced if the build system has a more recent version.
273 AC_SUBST(LIBTOOL_DEPS)
274
275 AC_OUTPUT([
276 Makefile
277 m4/Makefile
278 lib/Makefile
279 lib/modes/Makefile
280 lib/books/Makefile
281 lib/books/coupled/Makefile
282 lib/books/uncoupled/Makefile
283 lib/books/floor/Makefile
284 doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile
285 doc/Doxyfile
286 include/Makefile include/vorbis/Makefile
287 examples/Makefile
288 test/Makefile
289 vq/Makefile
290 libvorbis.spec
291 vorbis.pc
292 vorbisenc.pc
293 vorbisfile.pc
294 vorbis-uninstalled.pc
295 vorbisenc-uninstalled.pc
296 vorbisfile-uninstalled.pc
297 ])