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# This file is part of dvisvgm
# Copyright (C) 2005-2020 Martin Gieseking <martin.gieseking@uos.de>
#
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([dvisvgm],[2.10],[martin.gieseking@uos.de])
DATE="August 2020"
AC_CONFIG_SRCDIR(src)
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([subdir-objects])
AH_TEMPLATE([TARGET_SYSTEM], [The machine triplet of the target system])
AC_DEFINE_UNQUOTED([TARGET_SYSTEM], ["$target"])
# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_CXX
AX_CXX_COMPILE_STDCXX([11])
AM_PROG_AR
LT_INIT
AC_PROG_RANLIB
AC_LANG(C)
AX_CHECK_COMPILE_FLAG([-Wmismatched-tags -Wno-mismatched-tags], [CXXFLAGS="$CXXFLAGS -Wno-mismatched-tags"])
AC_CHECK_HEADERS([sys/time.h sys/timeb.h xlocale.h])
AC_HEADER_TIOCGWINSZ
CPPFLAGS_SAVE="$CPPFLAGS"
CFLAGS_SAVE="$CFLAGS"
LDFLAGS_SAVE="$LDFLAGS"
# Check availability and usability of the kpathsea library
AC_ARG_VAR(KPSE_CFLAGS, [C/C++ compiler flags for the kpathsea library])
AC_ARG_VAR(KPSE_LIBS, [linker flags for the kpathsea library])
AC_ARG_VAR(KPSE_LIBS, [])
AC_ARG_WITH([kpathsea],
[AS_HELP_STRING([--with-kpathsea=prefix], [set location of kpathsea library])],
[with_kpathsea="$withval"],
[with_kpathsea=yes])
AS_IF([test "x$with_kpathsea" != "xyes"],
[KPSE_CFLAGS="-I$with_kpathsea/include" KPSE_LIBS="-L$with_kpathsea/lib"]
[CPPFLAGS="$CPPFLAGS $KPSE_CFLAGS" CFLAGS="$CFLAGS $KPSE_CFLAGS" LDFLAGS="$LDFLAGS $KPSE_LIBS"])
AC_CHECK_HEADER([kpathsea/kpathsea.h],,
[AC_MSG_ERROR([please install the kpathsea development package])])
AC_CHECK_LIB([kpathsea], [kpse_find_file],,
[AC_MSG_ERROR([libkpathsea not found, please install the corresponding package first])])
AC_MSG_CHECKING([kpathsea version])
AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdio.h>
#include <kpathsea/kpathsea.h>
int main() {
FILE *f;
f = fopen("kpseversion", "w");
if(!f) exit(1);
fprintf(f, "%s\n", KPSEVERSION);
fclose(f);
exit(0);
}])],
[kpseversion=`cat kpseversion|sed 's/kpathsea version //'`], [kpseversion=], [kpseversion=unknown])
AC_MSG_RESULT("$kpseversion")
rm -f kpseversion
AS_IF([test -z "$kpseversion"],
[AC_MSG_ERROR([Could not compile a simple kpathsea program -- check your installation])])
AC_SUBST(KPSE_CFLAGS)
AC_SUBST(KPSE_LIBS)
# Check how to link Ghostscript
have_libgs=yes
AC_CHECK_HEADER([ghostscript/iapi.h],
[AC_CHECK_LIB(gs, gsapi_revision,, [have_libgs=no])],
[have_libgs=no])
AS_IF([test "x$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)])])
# Check for pkg-config
PKG_PROG_PKG_CONFIG
# Check for libraries.
PKG_CHECK_MODULES([FREETYPE], [freetype2])
AC_ARG_ENABLE([woff],
[AS_HELP_STRING([--disable-woff], [Disable WOFF support @<:@default=no@:>@])],
[],
[enable_woff=yes])
AM_CONDITIONAL([ENABLE_WOFF], [test "x$enable_woff" = "xyes"])
AC_ARG_WITH([ttfautohint],
[AS_HELP_STRING([--with-ttfautohint@<:@=prefix@:>@], [enable ttfautohint support (disabled by default)])],
[with_ttfautohint="$withval"],
[with_ttfautohint=no])
# 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@:>@])])
AM_CONDITIONAL([USE_BUNDLED_LIBS], [test "x$enable_bundled_libs" = "xyes"])
# If option --enable-bundled-libs is not given, look for system libraries of brotli, potrace, woff2, and xxhash.
AS_IF([test "x$enable_bundled_libs" != "xyes"],
[AC_CHECK_HEADER(potracelib.h,
[AC_SEARCH_LIBS(potrace_trace, [potrace], [have_potrace=yes])])]
[AC_CHECK_HEADER([xxhash.h],
[AC_SEARCH_LIBS(XXH32, [xxhash], [have_xxhash=yes])])]
[AS_IF([test "x$enable_woff" = "xyes"],
[PKG_CHECK_MODULES(BROTLI, [libbrotlienc], [have_brotli=yes])]
[PKG_CHECK_MODULES(WOFF2, [libwoff2enc], [have_woff2=yes])])])
AM_CONDITIONAL(HAVE_POTRACE, [test "x$have_potrace" = "xyes"])
AM_CONDITIONAL(HAVE_BROTLI, [test "x$have_brotli" = "xyes"])
AM_CONDITIONAL(HAVE_WOFF2, [test "x$have_woff2" = "xyes"])
AM_CONDITIONAL(HAVE_XXHASH, [test "x$have_xxhash" = "xyes"])
AS_IF([test "x$enable_woff" != "xyes"],
[AC_DEFINE([DISABLE_WOFF], 1, [Define if WOFF support is disabled])],
[AS_IF([test "x$with_ttfautohint" != "xno"],
[AS_IF([test "x$with_ttfautohint" = "xyes"],
# --with-ttfautohint without path => check via pkg-config
[PKG_CHECK_MODULES([TTFAUTOHINT], [ttfautohint],,
[AC_MSG_ERROR([can't locate ttfautohint, use "--with-ttfautohint=path" to specify its location])])],
# --with-ttfautohint=/path/ttfautohint given
[TTFAUTOHINT_CFLAGS="-I$with_ttfautohint/include"]
[TTFAUTOHINT_LIBS="-L$with_ttfautohint/lib"])]
[CPPFLAGS="$CPPFLAGS $TTFAUTOHINT_CFLAGS" CFLAGS="$CFLAGS $TTFAUTOHINT_CFLAGS" LDFLAGS="$LDFLAGS $TTFAUTOHINT_LIBS"]
[AC_CHECK_HEADERS([ttfautohint.h],, [AC_MSG_WARN([ttfautohint.h not found])])]
[AC_CHECK_LIB([ttfautohint], [TTF_autohint],,
[AC_MSG_WARN([no working ttfautohint library found])]
[AC_CHECK_LIB(dl, dlopen,
[AC_MSG_NOTICE([enabled dynamic loading of ttfautohint])],
[AC_MSG_WARN([disabled ttfautohint support])])])]
[AC_SUBST(TTFAUTOHINT_CFLAGS) AC_SUBST(TTFAUTOHINT_LIBS)])])
AC_CHECK_HEADERS([openssl/md5.h])
PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto], [HAVE_LIBCRYPTO=1], [HAVE_LIBCRYPTO=0])
AM_CONDITIONAL([USE_BUNDLED_MD5], [test "$HAVE_LIBCRYPTO" -eq 0])
AC_CHECK_LIB(z, gzopen)
# 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])
# add options for selection of "optional" library locations
# currently these libraries are mandatory; the --with-foo options
# are used to specify the locations explicitely
AC_ARG_WITH(zlib,
[AS_HELP_STRING([--with-zlib=DIR], [set location of the zlib library])],
[AS_IF([test "x$withval" != "xno"],
[AS_IF([test "x$withval" != "xyes"], [ZLIB_DIR=$withval])]
[AS_IF([test -n "$ZLIB_DIR"],
[ZLIB_CFLAGS="-I$ZLIB_DIR -I$ZLIB_DIR/include"]
[ZLIB_LIBS="-L$ZLIB_DIR/lib" -lz])])])
AC_SUBST([ZLIB_CFLAGS])
AC_SUBST([ZLIB_LIBS])
# Check if the kpathsea headers are C++ safe
AC_MSG_CHECKING([if the kpathsea headers are C++ safe])
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <kpathsea/kpathsea.h>]],
[[printf("%s\n", concat("one", "two"))]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_DEFINE([KPSE_CXX_UNSAFE], 1,
[Define to 1 if the kpathsea headers are not C++ safe.])])
AC_LANG_POP([C++])
CPPFLAGS="$CPPFLAGS_SAVE"
CFLAGS="$CFLAGS_SAVE"
LDFLAGS="$LDFLAGS_SAVE"
AC_ARG_ENABLE([manpage],
[AS_HELP_STRING([--disable-manpage], [disable generation of manual page @<:@default=no@:>@])])
AS_IF([test "x$enable_manpage" != "xno"],[
enable_manpage="no"
# Check for utilities required to build the manpage
AC_CHECK_PROG(ASCIIDOC, asciidoc, yes)
AS_IF([test "x$ASCIIDOC" = "xyes"], [
AC_CHECK_PROG(XMLTO, xmlto, yes)
AS_IF([test "x$XMLTO" = "xyes"], [
AC_CHECK_PROG(XSLTPROC, xsltproc, yes)
AS_IF([test "x$XSLTPROC" = "xyes"],[enable_manpage="yes"])])])])
AS_IF([test "x$enable_manpage" != "xyes"],
AC_MSG_NOTICE([generation of manual page has been disabled]))
AM_CONDITIONAL([BUILD_MANPAGE], [test "x$enable_manpage" = "xyes"])
AX_CODE_COVERAGE
AS_IF([ test "$enable_code_coverage" = "yes" ], [
# disable optimization
changequote({,})
CFLAGS=`echo $CFLAGS | sed 's/-O[1-9s]//g'`
CXXFLAGS=`echo $CXXFLAGS | sed 's/-O[1-9s]//g'`
changequote([,])
])
AC_SUBST([dvisvgm_srcdir], ['$(top_srcdir)'])
AC_SUBST(DATE)
AC_SUBST(AM_CPPFLAGS)
AC_SUBST(AM_LDFLAGS)
AC_CONFIG_FILES([
Makefile
libs/Makefile
libs/brotli/Makefile
libs/clipper/Makefile
libs/ff-woff/Makefile
libs/md5/Makefile
libs/potrace/Makefile
libs/variant/Makefile
libs/woff2/Makefile
libs/xxHash/Makefile
m4/Makefile
src/Makefile
src/version.hpp
src/optimizer/Makefile
tests/Makefile
tests/data/Makefile
doc/Makefile])
AC_OUTPUT
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