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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_INIT([jp2a],[1.3.3],[chris-r@posteo.net], [jp2a], [https://github.com/Talinx/jp2a])
m4_ifdef([DX_INIT_DOXYGEN],
[doc=true
DX_INIT_DOXYGEN([jp2a])],[doc=false])
AM_INIT_AUTOMAKE(dist-bzip2 dist-zip)
AM_CONDITIONAL([DOC], [test x$doc = xtrue])
AC_CONFIG_SRCDIR(src/jp2a.c)
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile src/Makefile])
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
AC_ARG_WITH([jpeg-include],
AS_HELP_STRING([--with-jpeg-include=PATH],[specify path to directory containing jpeglib.h -- http://www.ijg.org/]),
[CPPFLAGS="$CPPFLAGS -I$withval"])
AC_ARG_WITH([jpeg-lib],
AS_HELP_STRING([--with-jpeg-lib=PATH],[specify path to directory containing jpeglib lib file -- http://www.ijg.org/]),
[LDFLAGS="$LDFLAGS -L$withval"])
AC_ARG_WITH([jpeg-prefix],
AS_HELP_STRING([--with-jpeg-prefix=PATH],[this is the same as --with-jpeg-include=PATH/include and --with-jpeg-lib=PATH/lib]),
[CPPFLAGS="$CPPFLAGS -I$withval/include" LDFLAGS="$LDFLAGS -L$withval/lib"])
AC_ARG_WITH([curl-config],
AS_HELP_STRING([--with-curl-config=PATH],[specify path to curl-config]),
[curl_config_path="$withval" enable_curl="yes"],
[curl_config_path="$PATH"])
AC_CHECK_LIB([jpeg], [jpeg_start_decompress], [LIBS="$LIBS -ljpeg"])
AC_CHECK_LIB([png], [png_create_read_struct], [LIBS="$LIBS -lpng"])
AC_CHECK_LIB([webp], [WebPGetInfo], [LIBS="$LIBS -lwebp"])
AC_CHECK_LIB([exif], [exif_data_new_from_file], [LIBS="$LIBS -lexif"])
# jp2a uses isfinite from math.h but that can be implemented as a macro so search for another actual function (floor) instead
AC_SEARCH_LIBS([floor], [m])
if test "x$ac_cv_lib_jpeg_jpeg_start_decompress" != "xyes" ; then
AC_MSG_ERROR([I need a working jpeglib; please specify --with-jpeg-lib=PATH or see --help for more explicit options.
On many systems, this is installed in /usr/local/lib/ so you can try --with-jpeg-prefix=/usr/local/
])
fi
AC_ARG_ENABLE([curl],
AS_HELP_STRING([--enable-curl],[enable to be to use libcurl (http://curl.haxx.se) to download images from the net (default: yes)]),
[enable_curl=$enableval],
[enable_curl="yes"])
AC_ARG_ENABLE([termlib],
AS_HELP_STRING([--enable-termlib],[enable to use term/curses for detecting terminal dimensions (default: yes)]),
[enable_termlib=$enableval],
[enable_termlib="yes"])
AC_ARG_ENABLE([pure-ascii],
AS_HELP_STRING([--enable-pure-ascii],[only support ASCII (and not UTF-8 or other character encodings) and ignore the locale (default: no)]),
[pure_ascii=$enableval],
[pure_ascii="no"])
AC_MSG_CHECKING([enable-curl])
AC_MSG_RESULT([$enable_curl])
if test "x$enable_curl" = "xyes" ; then
AC_PATH_PROGS([curl_config], [curl-config], [no], [$curl_config_path])
if test "x$curl_config" != "xno" ; then
curl_cflags="`$curl_config --cflags`"
curl_libs="`$curl_config --libs`"
CPPFLAGS="$CPPFLAGS $curl_cflags"
AC_MSG_CHECKING([curl-config --cflags])
AC_MSG_RESULT([$curl_cflags])
AC_MSG_CHECKING([curl-config --libs])
AC_MSG_RESULT([$curl_libs])
fi
if test "x$curl_libs" = "x" ; then
curl_libs="-lcurl"
fi
AC_CHECK_LIB([curl], [curl_easy_init], [LIBS="$LIBS $curl_libs" AC_DEFINE([FEAT_CURL], [1], [Found working libcurl environment])], [
AC_MSG_WARN([I need a working libcurl (use --with-curl-config=PATH); download-support will be disabled])
enable_curl="no"
])
fi
if test "x$pure_ascii" = "xyes" ; then
AC_DEFINE([ASCII], [1], [only support ASCII, not UTF-8 or other encodings])
fi
AC_CHECK_HEADER([jpeglib.h],
[ AC_DEFINE([HAVE_JPEGLIB_H], [1], [Define to 1 if you have <jpeglib.h> header file.]) ],
[ AC_MSG_ERROR([required header file jpeglib.h not found, use --with-jpeg-include=PATH or see --help]) ])
if test "x$enable_curl" = "xyes" ; then
AC_CHECK_HEADER([curl/curl.h],
[ AC_DEFINE([HAVE_CURL_CURL_H], [1], [Define to 1 if you have the <curl/curl.h> header file]) ],
[ AC_MSG_WARN([required header file curl/curl.h not found, libcurl will be disabled (see --help)]) ])
fi
AC_CHECK_HEADERS([fcntl.h curses.h term.h ncurses/term.h math.h limits.h locale.h stdlib.h string.h unistd.h wchar.h setjmp.h])
if test "$enable_termlib" = "yes" ; then
# Some GNU/Linux systems (e.g., SuSE 4.3, 1996) don't have curses, but
# rather ncurses. So we check for it.
TERMLIBS=
# Check for termlib before termcap because Solaris termcap needs libucb.
TERMLIB_VARIANTS="ncurses curses termlib termcap terminfo"
for termlib in ${TERMLIB_VARIANTS}; do
AC_CHECK_LIB(${termlib}, tgetent,
[TERMLIBS="${TERMLIBS} -l${termlib}"; break])
done
# don't bother warning on djgpp, it doesn't have a term library, it
# ports each termcap-needing program separately according to its needs.
if test -z "$TERMLIBS" && echo "$build" | grep -v djgpp >/dev/null; then
AC_MSG_WARN([probably need a terminal library, one of: ${TERMLIB_VARIANTS}])
else
LIBS="$LIBS $TERMLIBS"
AC_DEFINE([FEAT_TERMLIB], [1], [Found working term/curses environment])
fi
fi
# Checks for bash-completion
PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], ,
bashcompdir="${sysconfdir}/bash_completion.d")
AC_SUBST(bashcompdir)
PKG_CHECK_VAR(zshcompdir, [zsh-completion], [zshcompletionsdir], ,
zshcompdir="${datarootdir}/zsh/site-functions")
AC_SUBST(zshcompdir)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_SIZE_T
AC_CHECK_HEADER_STDBOOL
# Checks for library functions.
AC_FUNC_FORK
AC_TYPE_PID_T
AC_CHECK_FUNCS([memset atexit mbrlen memset setlocale strerror])
AC_HEADER_ASSERT
AC_OUTPUT
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