libvips/acinclude.m4

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dnl From FIND_MOTIF and ACX_PTHREAD, without much understanding
dnl
dnl FIND_ZIP[ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]
dnl ------------------------------------------------
dnl
dnl Find ZIP libraries and headers
dnl
dnl Put includes stuff in ZIP_INCLUDES
dnl Put link stuff in ZIP_LIBS
dnl
dnl Default ACTION-IF-FOUND defines HAVE_ZIP
dnl
AC_DEFUN([FIND_ZIP], [
AC_REQUIRE([AC_PATH_XTRA])
ZIP_INCLUDES=""
ZIP_LIBS=""
AC_ARG_WITH(zip,
[ --without-zip do not use libz])
# Treat --without-zip like --without-zip-includes --without-zip-libraries.
if test "$with_zip" = "no"; then
ZIP_INCLUDES=no
ZIP_LIBS=no
fi
AC_ARG_WITH(zip-includes,
[ --with-zip-includes=DIR ZIP include files are in DIR],
ZIP_INCLUDES="-I$withval")
AC_ARG_WITH(zip-libraries,
[ --with-zip-libraries=DIR ZIP libraries are in DIR],
ZIP_LIBS="-L$withval -lz")
AC_MSG_CHECKING(for ZIP)
# Look for zlib.h
if test "$ZIP_INCLUDES" = ""; then
# Check the standard search path
AC_TRY_COMPILE([#include <zlib.h>],[int a;],[
ZIP_INCLUDES=""
], [
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# zlib.h is not in the standard search path, try
# $prefix
zip_save_INCLUDES="$INCLUDES"
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INCLUDES="-I${prefix}/include $INCLUDES"
AC_TRY_COMPILE([#include <zlib.h>],[int a;],[
ZIP_INCLUDES="-I${prefix}/include"
], [
ZIP_INCLUDES="no"
])
INCLUDES=$zip_save_INCLUDES
])
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fi
# Now for the libraries
if test "$ZIP_LIBS" = ""; then
zip_save_LIBS="$LIBS"
zip_save_INCLUDES="$INCLUDES"
LIBS="-lz $LIBS"
INCLUDES="$ZIP_INCLUDES $INCLUDES"
# Try the standard search path first
AC_TRY_LINK([#include <zlib.h>],[zlibVersion()], [
ZIP_LIBS="-lz"
], [
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# libz is not in the standard search path, try $prefix
LIBS="-L${prefix}/lib $LIBS"
AC_TRY_LINK([#include <zlib.h>],[zlibVersion()], [
ZIP_LIBS="-L${prefix}/lib -lz"
], [
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ZIP_LIBS=no
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])
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])
LIBS="$zip_save_LIBS"
INCLUDES="$zip_save_INCLUDES"
fi
AC_SUBST(ZIP_LIBS)
AC_SUBST(ZIP_INCLUDES)
# Print a helpful message
zip_libraries_result="$ZIP_LIBS"
zip_includes_result="$ZIP_INCLUDES"
if test x"$zip_libraries_result" = x""; then
zip_libraries_result="in default path"
fi
if test x"$zip_includes_result" = x""; then
zip_includes_result="in default path"
fi
if test "$zip_libraries_result" = "no"; then
zip_libraries_result="(none)"
fi
if test "$zip_includes_result" = "no"; then
zip_includes_result="(none)"
fi
AC_MSG_RESULT(
[libraries $zip_libraries_result, headers $zip_includes_result])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "$ZIP_INCLUDES" != "no" && test "$ZIP_LIBS" != "no"; then
ifelse([$1],,AC_DEFINE(HAVE_ZIP,1,[Define if you have libz libraries and header files.]),[$1])
:
else
ZIP_LIBS=""
ZIP_INCLUDES=""
$2
fi
])dnl
dnl From FIND_MOTIF and ACX_PTHREAD, without much understanding
dnl
dnl FIND_TIFF[ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]
dnl ------------------------------------------------
dnl
dnl Find TIFF libraries and headers
dnl
dnl Put compile stuff in TIFF_INCLUDES
dnl Put link stuff in TIFF_LIBS
dnl
dnl Default ACTION-IF-FOUND defines HAVE_TIFF
dnl
AC_DEFUN([FIND_TIFF], [
AC_REQUIRE([AC_PATH_XTRA])
TIFF_INCLUDES=""
TIFF_LIBS=""
AC_ARG_WITH(tiff,
[ --without-tiff do not use libtiff])
# Treat --without-tiff like --without-tiff-includes --without-tiff-libraries.
if test "$with_tiff" = "no"; then
TIFF_INCLUDES=no
TIFF_LIBS=no
fi
AC_ARG_WITH(tiff-includes,
[ --with-tiff-includes=DIR TIFF include files are in DIR],
TIFF_INCLUDES="-I$withval")
AC_ARG_WITH(tiff-libraries,
[ --with-tiff-libraries=DIR TIFF libraries are in DIR],
TIFF_LIBS="-L$withval -ltiff")
AC_MSG_CHECKING(for TIFF)
# Look for tiff.h
if test "$TIFF_INCLUDES" = ""; then
# Check the standard search path
AC_TRY_COMPILE([#include <tiff.h>],[int a;],[
TIFF_INCLUDES=""
], [
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# tiff.h is not in the standard search path, try
# $prefix
tiff_save_INCLUDES="$INCLUDES"
INCLUDES="-I${prefix}/include $INCLUDES"
AC_TRY_COMPILE([#include <tiff.h>],[int a;],[
TIFF_INCLUDES="-I${prefix}/include"
], [
TIFF_INCLUDES="no"
])
INCLUDES=$tiff_save_INCLUDES
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])
fi
# Now for the libraries
if test "$TIFF_LIBS" = ""; then
tiff_save_LIBS="$LIBS"
tiff_save_INCLUDES="$INCLUDES"
LIBS="-ltiff -lm $LIBS"
INCLUDES="$TIFF_INCLUDES $INCLUDES"
# Try the standard search path first
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AC_TRY_LINK([#include <tiff.h>],[TIFFGetVersion()], [
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TIFF_LIBS="-ltiff"
], [
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# libtiff is not in the standard search path, try $prefix
LIBS="-L${prefix}/lib $LIBS"
AC_TRY_LINK([#include <tiff.h>],[TIFFGetVersion()], [
TIFF_LIBS="-L${prefix}/lib -ltiff"
], [
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TIFF_LIBS=no
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])
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])
LIBS="$tiff_save_LIBS"
INCLUDES="$tiff_save_INCLUDES"
fi
AC_SUBST(TIFF_LIBS)
AC_SUBST(TIFF_INCLUDES)
# Print a helpful message
tiff_libraries_result="$TIFF_LIBS"
tiff_includes_result="$TIFF_INCLUDES"
if test x"$tiff_libraries_result" = x""; then
tiff_libraries_result="in default path"
fi
if test x"$tiff_includes_result" = x""; then
tiff_includes_result="in default path"
fi
if test "$tiff_libraries_result" = "no"; then
tiff_libraries_result="(none)"
fi
if test "$tiff_includes_result" = "no"; then
tiff_includes_result="(none)"
fi
AC_MSG_RESULT(
[libraries $tiff_libraries_result, headers $tiff_includes_result])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "$TIFF_INCLUDES" != "no" && test "$TIFF_LIBS" != "no"; then
ifelse([$1],,AC_DEFINE(HAVE_TIFF,1,[Define if you have tiff libraries and header files.]),[$1])
:
else
TIFF_INCLUDES=""
TIFF_LIBS=""
$2
fi
])dnl
dnl From FIND_MOTIF and ACX_PTHREAD, without much understanding
dnl
dnl FIND_JPEG[ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]
dnl ------------------------------------------------
dnl
dnl Find JPEG libraries and headers
dnl
dnl Put compile stuff in JPEG_INCLUDES
dnl Put link stuff in JPEG_LIBS
dnl
dnl Default ACTION-IF-FOUND defines HAVE_JPEG
dnl
AC_DEFUN([FIND_JPEG], [
AC_REQUIRE([AC_PATH_XTRA])
JPEG_INCLUDES=""
JPEG_LIBS=""
AC_ARG_WITH(jpeg,
[ --without-jpeg do not use libjpeg])
# Treat --without-jpeg like --without-jpeg-includes --without-jpeg-libraries.
if test "$with_jpeg" = "no"; then
JPEG_INCLUDES=no
JPEG_LIBS=no
fi
AC_ARG_WITH(jpeg-includes,
[ --with-jpeg-includes=DIR JPEG include files are in DIR],
JPEG_INCLUDES="-I$withval")
AC_ARG_WITH(jpeg-libraries,
[ --with-jpeg-libraries=DIR JPEG libraries are in DIR],
JPEG_LIBS="-L$withval -ljpeg")
AC_MSG_CHECKING(for JPEG)
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# Look for jpeglib.h
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if test "$JPEG_INCLUDES" = ""; then
# Check the standard search path
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AC_TRY_COMPILE([#include <stdio.h>
#include <jpeglib.h>],[int a;],[
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JPEG_INCLUDES=""
], [
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# jpeglib.h is not in the standard search path, try
# $prefix
jpeg_save_INCLUDES="$INCLUDES"
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INCLUDES="-I${prefix}/include $INCLUDES"
AC_TRY_COMPILE([#include <stdio.h>
#include <jpeglib.h>],[int a;],[
JPEG_INCLUDES="-I${prefix}/include"
], [
JPEG_INCLUDES="no"
])
INCLUDES=$jpeg_save_INCLUDES
])
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fi
# Now for the libraries
if test "$JPEG_LIBS" = ""; then
jpeg_save_LIBS="$LIBS"
jpeg_save_INCLUDES="$INCLUDES"
LIBS="-ljpeg $LIBS"
INCLUDES="$JPEG_INCLUDES $INCLUDES"
# Try the standard search path first
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AC_TRY_LINK([#include <stdio.h>
#include <jpeglib.h>
],[jpeg_abort((void*)0)], [
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JPEG_LIBS="-ljpeg"
], [
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# libjpeg is not in the standard search path, try $prefix
LIBS="-L${prefix}/lib $LIBS"
AC_TRY_LINK([#include <stdio.h>
#include <jpeg.h>
],[jpeg_abort((void*)0)], [
JPEG_LIBS="-L${prefix}/lib -ljpeg"
], [
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JPEG_LIBS=no
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])
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])
LIBS="$jpeg_save_LIBS"
INCLUDES="$jpeg_save_INCLUDES"
fi
AC_SUBST(JPEG_LIBS)
AC_SUBST(JPEG_INCLUDES)
# Print a helpful message
jpeg_libraries_result="$JPEG_LIBS"
jpeg_includes_result="$JPEG_INCLUDES"
if test x"$jpeg_libraries_result" = x""; then
jpeg_libraries_result="in default path"
fi
if test x"$jpeg_includes_result" = x""; then
jpeg_includes_result="in default path"
fi
if test "$jpeg_libraries_result" = "no"; then
jpeg_libraries_result="(none)"
fi
if test "$jpeg_includes_result" = "no"; then
jpeg_includes_result="(none)"
fi
AC_MSG_RESULT(
[libraries $jpeg_libraries_result, headers $jpeg_includes_result])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "$JPEG_INCLUDES" != "no" && test "$JPEG_LIBS" != "no"; then
ifelse([$1],,AC_DEFINE(HAVE_JPEG,1,[Define if you have jpeg libraries and header files.]),[$1])
:
else
JPEG_INCLUDES=""
JPEG_LIBS=""
$2
fi
])dnl
dnl From FIND_MOTIF and ACX_PTHREAD, without much understanding
dnl
dnl FIND_PNG[ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]
dnl ------------------------------------------------
dnl
dnl Find PNG libraries and headers
dnl
dnl Put compile stuff in PNG_INCLUDES
dnl Put link stuff in PNG_LIBS
dnl
dnl Default ACTION-IF-FOUND defines HAVE_PNG
dnl
AC_DEFUN([FIND_PNG], [
AC_REQUIRE([AC_PATH_XTRA])
PNG_INCLUDES=""
PNG_LIBS=""
AC_ARG_WITH(png,
[ --without-png do not use libpng])
# Treat --without-png like --without-png-includes --without-png-libraries.
if test "$with_png" = "no"; then
PNG_INCLUDES=no
PNG_LIBS=no
fi
AC_ARG_WITH(png-includes,
[ --with-png-includes=DIR PNG include files are in DIR],
PNG_INCLUDES="-I$withval")
AC_ARG_WITH(png-libraries,
[ --with-png-libraries=DIR PNG libraries are in DIR],
PNG_LIBS="-L$withval -lpng")
AC_MSG_CHECKING(for PNG)
# Look for png.h
if test "$PNG_INCLUDES" = ""; then
# Check the standard search path
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AC_TRY_COMPILE([#include <png.h>],[int a;],[
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PNG_INCLUDES=""
], [
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# png.h is not in the standard search path, try
# $prefix
png_save_INCLUDES="$INCLUDES"
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INCLUDES="-I${prefix}/include $INCLUDES"
AC_TRY_COMPILE([#include <png.h>],[int a;],[
PNG_INCLUDES="-I${prefix}/include"
], [
PNG_INCLUDES="no"
])
INCLUDES=$png_save_INCLUDES
])
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fi
# Now for the libraries
if test "$PNG_LIBS" = ""; then
png_save_LIBS="$LIBS"
png_save_INCLUDES="$INCLUDES"
LIBS="-lpng $LIBS"
INCLUDES="$PNG_INCLUDES $INCLUDES"
# Try the standard search path first
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AC_TRY_LINK([#include <png.h>],[png_access_version_number()], [
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PNG_LIBS="-lpng"
], [
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# libpng is not in the standard search path, try $prefix
LIBS="-L${prefix}/lib $LIBS"
AC_TRY_LINK([#include <png.h>],[png_access_version_number()], [
PNG_LIBS="-L${prefix}/lib -lpng"
], [
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PNG_LIBS=no
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])
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])
LIBS="$png_save_LIBS"
INCLUDES="$png_save_INCLUDES"
fi
AC_SUBST(PNG_LIBS)
AC_SUBST(PNG_INCLUDES)
# Print a helpful message
png_libraries_result="$PNG_LIBS"
png_includes_result="$PNG_INCLUDES"
if test x"$png_libraries_result" = x""; then
png_libraries_result="in default path"
fi
if test x"$png_includes_result" = x""; then
png_includes_result="in default path"
fi
if test "$png_libraries_result" = "no"; then
png_libraries_result="(none)"
fi
if test "$png_includes_result" = "no"; then
png_includes_result="(none)"
fi
AC_MSG_RESULT(
[libraries $png_libraries_result, headers $png_includes_result])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "$PNG_INCLUDES" != "no" && test "$PNG_LIBS" != "no"; then
ifelse([$1],,AC_DEFINE(HAVE_PNG,1,[Define if you have png libraries and header files.]),[$1])
:
else
PNG_INCLUDES=""
PNG_LIBS=""
$2
fi
])dnl
dnl a macro to check for ability to create python extensions
dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
dnl function also defines PYTHON_INCLUDES
AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
[AC_REQUIRE([AM_PATH_PYTHON])
AC_MSG_CHECKING(for headers required to compile python extensions)
dnl deduce PYTHON_INCLUDES
py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
if test "$py_prefix" != "$py_exec_prefix"; then
PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
fi
AC_SUBST(PYTHON_INCLUDES)
dnl check if the headers exist:
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
AC_TRY_CPP([#include <Python.h>],dnl
[AC_MSG_RESULT(found)
$1],dnl
[AC_MSG_RESULT(not found)
$2])
CPPFLAGS="$save_CPPFLAGS"
])