3 # Copyright (C) 2011-2017 by Werner Lemberg.
5 # This file is part of the ttfautohint library, and may only be used,
6 # modified, and distributed under the terms given in `COPYING'. By
7 # continuing to use, modify, or distribute this file you indicate that you
8 # have read `COPYING' and understand and accept it fully.
10 # The file `COPYING' mentioned in the previous paragraph is distributed
11 # with the ttfautohint library.
13 AC_INIT([ttfautohint],
14 m4_esyscmd([gnulib/git-version-gen VERSION]),
15 [freetype-devel@nongnu.org])
16 AC_CONFIG_AUX_DIR([gnulib])
18 AM_INIT_AUTOMAKE([-Wall -Werror tar-ustar]
19 m4_bmatch(m4_defn([AC_PACKAGE_VERSION]),
23 AC_CONFIG_MACRO_DIRS([gnulib/m4
26 AM_SILENT_RULES([yes])
28 AC_USE_SYSTEM_EXTENSIONS
36 AX_CXX_COMPILE_STDCXX([11],,[optional])
41 PKG_PROG_PKG_CONFIG([0.24])
43 # AM_PROG_AR is new in automake 1.11.2;
44 # however, MinGW doesn't have it yet (May 2012)
45 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
47 AC_PATH_PROG([BISON], [bison])
48 AC_PATH_PROG([FLEX], [flex])
52 PKG_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 1.3.0])
55 AT_REQUIRE_QT_VERSION([4.6])
57 if test x"$with_qt" != x"no"; then
58 AC_MSG_CHECKING([for QLocale::quoteString])
59 AS_VERSION_COMPARE([$QT_VERSION], [4.8],
63 AC_DEFINE([HAVE_QT_QUOTESTRING], [1],
64 [Define if Qt function QLocale::quoteString is available.])])
67 AM_CONDITIONAL([USE_QT], [test x"$with_qt" != x"no"])
73 # We use libtool's convenient check for the math library.
79 [AS_HELP_STRING([--with-doc],
80 [install documentation @<:@default=yes@:>@])],
84 AC_ARG_WITH([freetype-config],
85 [AS_HELP_STRING([--with-freetype-config=PROG],
86 [use FreeType configuration program PROG])],
87 [freetype_config=$withval],
88 [freetype_config=yes])
90 if test "$freetype_config" = "yes"; then
91 AC_PATH_TOOL(ft_config,
94 if test "$ft_config" = "no"; then
95 AC_MSG_ERROR([FreeType library is missing; see http://www.freetype.org/])
98 ft_config="$freetype_config"
101 FREETYPE_CPPFLAGS="`$ft_config --cflags`"
102 FREETYPE_LIBS="`$ft_config --libtool`"
104 # many platforms no longer install .la files for system libraries
105 if test ! -f "$FREETYPE_LIBS"; then
106 FREETYPE_LIBS="`$ft_config --libs`"
109 AC_SUBST(FREETYPE_CPPFLAGS)
110 AC_SUBST(FREETYPE_LIBS)
113 AC_MSG_CHECKING([whether FreeType header files are version 2.4.5 or higher])
114 old_CPPFLAGS="$CPPFLAGS"
115 CPPFLAGS=$FREETYPE_CPPFLAGS
116 AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
118 #include <ft2build.h>
119 #include FT_FREETYPE_H
120 #if (FREETYPE_MAJOR*1000 + FREETYPE_MINOR)*1000 + FREETYPE_PATCH < 2004005
121 #error Freetype version too low.
126 CPPFLAGS="$old_CPPFLAGS"],
127 [AC_MSG_ERROR([Need FreeType version 2.4.5 or higher])])
130 AC_MSG_CHECKING([whether FreeType library is version 2.4.5 or higher])
131 old_CPPFLAGS="$CPPFLAGS"
132 CPPFLAGS=$FREETYPE_CPPFLAGS
135 AC_LANG_PUSH([LTLIZED C])
136 AC_RUN_IFELSE([AC_LANG_SOURCE([[
139 #include <ft2build.h>
140 #include FT_FREETYPE_H
147 FT_Int major, minor, patch;
149 error = FT_Init_FreeType(&library);
152 printf("(test program reports error code %d)... ", error);
156 FT_Library_Version(library, &major, &minor, &patch);
158 printf("(found %d.%d.%d)... ", major, minor, patch);
160 if (((major*1000 + minor)*1000 + patch) >= 2004005)
167 CPPFLAGS="$old_CPPFLAGS"
169 [AC_MSG_ERROR([Need FreeType version 2.4.5 or higher])],
170 [AC_MSG_RESULT([skipped due to cross-compilation])])
174 if test $cross_compiling = no; then
175 AM_MISSING_PROG(HELP2MAN, help2man)
180 # The documentation is part of the distributed bundle. In the following,
181 # tests for the documentation building tools are made fatal in case those
182 # files are missing (which can happen during bootstrap).
185 [if test -f "$1"; then
192 image_file=$srcdir/doc/img/ttfautohintGUI.png
193 html_file=$srcdir/doc/ttfautohint.html
194 pdf_file=$srcdir/doc/ttfautohint.pdf
196 # We use the Noto font family within the PDF documentation file, since it
197 # has the best Unicode coverage of all freely available fonts. However, due
198 # to some bugs in the currently released version and lacking support for
199 # some scripts, it is necessary to access fonts from the `noto-fonts-alpha'
200 # git repository, which can be found at
202 # https://github.com/googlei18n/noto-fonts-alpha/
204 # Interestingly, at least one font we need (`NotoSansGujarati-Regular.ttf')
205 # is not yet present in the `noto-fonts-alpha' repository, so we have to
208 # https://github.com/googlei18n/noto-fonts/
212 # To be more precise, we don't directly access the git repositories;
213 # instead, we simply test the presence of two typical font files (using the
214 # `kpsewhich' program as provided by TeXLive and other TeX distributions);
215 # the user should set the TTFONTS environment variable to add the
216 # corresponding directories to the TrueType font search path.
218 noto_font_file=NotoSansGujarati-Regular.ttf
219 noto_font_alpha_file=NotoSansArabic-Regular.ttf
221 if test x"$with_doc" != x"no"; then
222 # snapshot image creation
223 if test x"$DISPLAY" == x; then
224 TA_DOC([$image_file],
225 [Need X11 to create snapshot image of ttfautohintGUI])
227 AC_CHECK_PROG([IMPORT], [import], [import], [no])
228 if test x"$IMPORT" == x"no"; then
229 TA_DOC([$image_file],
230 [Need ImageMagick to create snapshot image of ttfautohintGUI])
234 # conversion of SVG to PDF
235 AC_CHECK_PROG([INKSCAPE], [inkscape], [inkscape], [no])
236 if test x"$INKSCAPE" == x"no"; then
238 [Need inkscape to convert SVG image files to PDF])
241 # documentation creation
242 AC_CHECK_PROG([PANDOC], [pandoc], [pandoc], [no])
243 if test x"$PANDOC" == x"no"; then
245 [Need pandoc to create PDF and HTML documentation files])
249 # To support Devanagari and other Indic scripts properly,
250 # we currently can use XeTeX only.
251 AC_CHECK_PROGS([LATEX], [xelatex], [no])
252 if test x"$PDFLATEX" == x"no"; then
254 [Need xelatex to create documentation in PDF format])
256 AC_CHECK_PROGS([KPSEWHICH], [kpsewhich], [no])
257 if test x"$KPSEWHICH" == x"no"; then
258 AC_MSG_WARN([Can't find \`kpsewhich' to check presence of Noto font files automatically.])
259 AC_MSG_WARN([Adjust the \`TTFONTS' environment variable so that the fonts are found.])
261 $KPSEWHICH $noto_font_file &> /dev/null
262 if test $? -ne 0; then
263 AC_MSG_WARN([Can't find \`$noto_font_file'.])
264 AC_MSG_ERROR([Adjust the \`TTFONTS' environment variable so that the Noto fonts are found.])
267 $KPSEWHICH $noto_font_alpha_file &> /dev/null
268 if test $? -ne 0; then
269 AC_MSG_WARN([Can't find \`$noto_font_alpha_file'.])
270 AC_MSG_ERROR([Adjust the \`TTFONTS' environment variable so that the Noto alpha fonts are found.])
276 AM_CONDITIONAL([WITH_DOC], [test x"$with_doc" != x"no"])
278 # pandoc (currently version 1.15.2.1) doesn't have the equivalent to
279 # a compiler's `-I' command line option to make it search image files
280 # in specified directories; for this reason, we create symlinks.
281 AC_CONFIG_COMMANDS([doc/img/create-links],
282 [abs_top_srcdir=`(cd "$srcdir"; pwd)`
283 abs_top_builddir=`pwd`
284 if test "$abs_top_srcdir" != "$abs_top_builddir"; then
286 && $LN_S "$abs_top_srcdir"/doc/img/* img
289 AC_CONFIG_HEADERS([config.h])
290 AC_CONFIG_FILES([Makefile
297 # end of configure.ac