summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvisvgm/configure.ac
blob: 23a400f3ace2c158929af9a50f6bd3b0d31f34ea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
dnl $Id$
dnl Process this file with autoconf to produce a configure script
dnl for dvisvgm in TeX Live.
dnl
dnl   Copyright 2015-2022 Karl Berry <tex-live@tug.org>
dnl   Copyright 2009-2014 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl   This file is free software; the copyright holder
dnl   gives unlimited permission to copy and/or distribute it,
dnl   with or without modifications, as long as this notice is preserved.
dnl
dnl  Adapted for TeX Live from original dvisvgm configure.ac
dnl  Copyright 2005-2022 Martin Gieseking
dnl
AC_PREREQ([2.65])
m4_include([version.ac])[] dnl define dvisvgm_version
AC_INIT([dvisvgm (TeX Live)], dvisvgm_version, [tex-k@tug.org])
DATE="February 2022"
AC_CONFIG_SRCDIR([dvisvgm-src/src/dvisvgm.cpp])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([../../m4])dnl not just _DIR
AC_CONFIG_AUX_DIR([../../build-aux])

AM_CONDITIONAL([TEXLIVE_BUILD], [test "x$enable_texlive_build" = xyes])

# Common code for all programs using libkpathsea.
# PROG_AR must be run before KPSE_COMMON, since the latter calls LT_INIT.
AM_PROG_AR
KPSE_COMMON([dvisvgm])

AH_TEMPLATE([TARGET_SYSTEM], [The machine triplet of the target system])
AC_DEFINE_UNQUOTED([TARGET_SYSTEM], ["$target"])

AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_CXX
AX_CXX_COMPILE_STDCXX([11])
LT_INIT
KPSE_CXX_HACK

AC_PROG_RANLIB
AC_LANG(C)

AC_CHECK_HEADERS([sys/time.h sys/timeb.h xlocale.h])
AC_HEADER_TIOCGWINSZ

KPSE_COND_WIN32
KPSE_KPATHSEA_FLAGS
KPSE_FREETYPE2_FLAGS
KPSE_ZLIB_FLAGS

KPSE_SAVE_FLAGS

# emacs-page Ghostscript complexities.
LIBGS_INCLUDES=
LIBGS_LIBS=
if test "x$enable_native_texlive_build" = xyes; then
  # TL: always dlload libgs, must avoid shared lib ref in binary.
  HAVE_LIBGS=0
else
have_libgs=yes
AC_CHECK_HEADER([ghostscript/iapi.h],
	[AC_CHECK_LIB(gs, gsapi_revision,, [have_libgs=no])],
	[have_libgs=no])
if test "x$have_libgs" = xyes; then
  HAVE_LIBGS=1
fi
AS_IF([test "x$have_libgs" = "xno"],
	# Ghostscript not found, check for dlopen
	[AC_CHECK_LIB(dl, dlopen,,
		[AC_DEFINE(DISABLE_GS, 1, [Set to 1 if PostScript support should be disabled])]
		[AC_MSG_WARN(PostScript support disabled)])])
fi

if test -z "$HAVE_LIBGS" || test "$HAVE_LIBGS" -eq 0; then
  AC_MSG_NOTICE([not linking to libgs, trying to arrange for dynamic loading])
  # Windows (native or MinGW32) has neither <dlfcn.h> nor dlopen().
  if test "x$kpse_cv_have_win32" = xno; then
    # FreeBSD neither has nor requires libdl.
    AC_SEARCH_LIBS([dlopen], [dl])
    AS_CASE([$ac_cv_search_dlopen],
            [no | "none required"], [],
                [LIBGS_LIBS=$ac_cv_search_dlopen])
    AC_CHECK_HEADER([dlfcn.h])
    AC_CHECK_FUNC([dlopen])
    if test "x$ac_cv_header_dlfcn_h:$ac_cv_func_dlopen" != xyes:yes; then
      AC_DEFINE(DISABLE_GS, 1,
                [Set to 1 if PostScript support is to be disabled])
      LIBGS_LIBS=
    fi
  fi
else
	# query Ghostscript version
	AC_MSG_CHECKING([Ghostscript version])
	AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdio.h>
		#include <ghostscript/iapi.h>
		int main () {
			gsapi_revision_t r;
			if (gsapi_revision(&r, sizeof(gsapi_revision_t)) == 0) {
				FILE *f;
				f = fopen("gsversion", "w");
				if (!f) exit(1);
				fprintf(f, "%ld\n", r.revision);
				fclose(f);
				exit(0);
			}
		}])],
		[gsversion=`cat gsversion`], [gsversion=], [gsversion=unknown])
	AC_MSG_RESULT("$gsversion")
	rm -f gsversion
	if test -z "$gsversion" || test "$gsversion" -lt 831; then
		# current Ghostscript API was introduced in version 8.31
		# older versions are not supported
		AC_DEFINE(DISABLE_GS, 1, [Set to 1 if PostScript support should be disabled])
		AC_MSG_WARN([Ghostscript version < 8.31 found; PostScript support disabled])
	else
		LIBGS_LIBS=-lgs
	fi
fi
AC_SUBST([LIBGS_INCLUDES])
AC_SUBST([LIBGS_LIBS])

if test "x$enable_build" != xno || test -f config.force; then

# Checks for more libraries.
KPSE_ADD_FLAGS([zlib])
AC_CHECK_FUNC([gzopen], [],
              [AC_MSG_ERROR([cannot find/use zlib])])

KPSE_ADD_FLAGS([freetype2])
AC_CHECK_FUNC([FT_Init_FreeType], [],
              [AC_MSG_ERROR([cannot find/use libfreetype])])

KPSE_ADD_FLAGS([kpathsea])
AC_CHECK_FUNC([kpse_set_program_name], [],
              [AC_MSG_ERROR([cannot find/use libkpathsea])])

# Check if the kpathsea headers are C++ safe.
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <kpathsea/kpathsea.h>]],
                                [[printf("%s\n", concat("one", "two"))]])],
               [],
               [AC_MSG_ERROR([Sorry, your kpathsea headers are too old])
                AC_DEFINE([KPSE_CXX_UNSAFE], 1,
                          [Define to 1 if the kpathsea headers are not C++ safe.])])
AC_LANG_POP([C++])

echo timestamp >config.force
fi

KPSE_RESTORE_FLAGS

# emacs-page
# Check for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS_ONCE([libintl.h stdlib.h string.h strings.h unistd.h])

# Check for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_TYPE_SIZE_T
AC_STRUCT_TM

# Check for library functions.
AC_FUNC_STAT
AC_CHECK_FUNCS_ONCE([ftime gettimeofday sigaction umask uselocale])

AC_SEARCH_LIBS(clock_gettime, rt)dnl for Solaris 10 and other old libc

AC_ARG_ENABLE([woff],
	[AS_HELP_STRING([--disable-woff], [Disable WOFF support @<:@default=no@:>@])],
	[],
	[enable_woff=yes])
AM_CONDITIONAL([ENABLE_WOFF], [test "x$enable_woff" = "xyes"])

AC_DEFINE([HAVE_LIBKPATHSEA], 1, [Define to 1 if you have the `kpathsea' library (-lkpathsea).])
AC_DEFINE([HAVE_LIBFREETYPE], 1, [Define to 1 if you have the `freetype2' library (-lfreetype).])
AC_DEFINE([HAVE_LIBZ], 1, [Define to 1 if you have the `z' library (-lz).])
if false; then
  AC_DEFINE([KPSE_CXX_UNSAFE], 1, [Define to 1 if the kpathsea headers are not C++ safe.])
fi

# TL: skip ttfautohint?

# Add option to enable linking of bundled libraries (brotli, potrace, woff2, xxhash).
AC_ARG_ENABLE([bundled-libs],
	[AS_HELP_STRING([--enable-bundled-libs], [use bundled libraries instead of the system ones @<:@default=no@:>@])],
	[use_bundled_libs=yes])
AM_CONDITIONAL([USE_BUNDLED_LIBS], [test "x$use_bundled_libs" = "xyes" dnl
                               || test "x$enable_native_texlive_build" = xyes])
# that is, force using bundled libs for native TL build.

# TL: use bundled md5 too
AM_CONDITIONAL([USE_BUNDLED_MD5], true)

# TL: these conditionals for system libraries are in the Makefile.am's.
AM_CONDITIONAL(HAVE_POTRACE, false)
AM_CONDITIONAL(HAVE_BROTLI, false)
AM_CONDITIONAL(HAVE_WOFF2, false)
AM_CONDITIONAL(HAVE_XXHASH, false)

# TL: not going to build_manpage (which is the default).
# TL: not going to attempt code coverage; need to subst it away.
AM_CONDITIONAL([CODE_COVERAGE_ENABLED], false)
CODE_COVERAGE_RULES=
AC_SUBST([CODE_COVERAGE_RULES])

# TL: the original configure calls pkg_check_modules,
# which calls ac_arg_var on the _cflags and _libs for various libraries,
# which calls ac_subst. we'll just ac_subst them to get initial (empty)
# definitions, so we can retain the += used by the original lib/defs.am.
# (init brotli)
AC_SUBST(BROTLI_CFLAGS)
AC_SUBST(BROTLI_LIBS)
# (init woff2)
AC_SUBST(WOFF2_CFLAGS)
AC_SUBST(WOFF2_LIBS)

AC_SUBST([DVISVGM_TREE], [dvisvgm-src])

AC_SUBST([dvisvgm_srcdir], ['$(top_srcdir)/dvisvgm-src'])
AC_SUBST(DATE)
AC_SUBST(AM_CPPFLAGS)
AC_SUBST(AM_LDFLAGS)
AC_CONFIG_FILES([Makefile
	dvisvgm-src/Makefile
	dvisvgm-src/libs/Makefile
	dvisvgm-src/libs/brotli/Makefile
	dvisvgm-src/libs/clipper/Makefile
	dvisvgm-src/libs/ff-woff/Makefile
	dvisvgm-src/libs/md5/Makefile
	dvisvgm-src/libs/potrace/Makefile
	dvisvgm-src/libs/variant/Makefile
	dvisvgm-src/libs/woff2/Makefile
	dvisvgm-src/libs/xxHash/Makefile
	dvisvgm-src/src/Makefile
	dvisvgm-src/src/version.hpp
	dvisvgm-src/src/optimizer/Makefile
])dnl TL: skipping tests/* and doc/*
AC_OUTPUT