php-src/ext/pdf/config.m4

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PHP_ARG_WITH(pdflib3,whether to include PDFlib3 support,
[  --with-pdflib3[=DIR]     Include PDFlib3 support. DIR is the pdflib
                          base install directory, defaults to /usr/local
                          Set DIR to "shared" to build as dl, or "shared,DIR"
                          to build as dl and still specify DIR.])

if test "$PHP_PDFLIB3" != "no"; then

  PHP_SUBST(PDFLIB3_SHARED_LIBADD)
  PHP_EXTENSION(pdf, $ext_shared)

  case $PHP_PDFLIB3 in
    yes)
      AC_CHECK_LIB(pdf, PDF_show_boxed, [
        AC_DEFINE(HAVE_PDFLIB3,1,[ ])
      ],[
        AC_MSG_ERROR([pdflib3 extension requires at least pdflib 3.x. You may also need libtiff and libjpeg. If so, use the options --with-tiff-dir=<DIR> and --with-jpeg-dir=<DIR>])
      ],[
        -ltiff -ljpeg -lpng -lz
      ])

      PHP_ADD_LIBRARY(pdf,, PDFLIB3_SHARED_LIBADD)
      PHP_ADD_LIBRARY(tiff,, PDFLIB3_SHARED_LIBADD)
      PHP_ADD_LIBRARY(png,, PDFLIB3_SHARED_LIBADD)
      PHP_ADD_LIBRARY(jpeg,, PDFLIB3_SHARED_LIBADD)
      PHP_ADD_LIBRARY(z,, PDFLIB3_SHARED_LIBADD)
    ;;
    *)
      test -f $PHP_PDFLIB3/include/pdflib.h && PDFLIB3_INCLUDE=$PHP_PDFLIB3/include
      if test -n "$PDFLIB3_INCLUDE" ; then

        if test "$PHP_ZLIB_DIR" = "no"; then
          AC_MSG_ERROR([PDF extension requires ZLIB. Use --with-zlib-dir=<DIR>])
        fi

        PHP_ADD_LIBRARY_WITH_PATH(z, $PHP_ZLIB_DIR/lib, PDFLIB3_SHARED_LIBADD)
 
        PHP_ARG_WITH(jpeg-dir, for the location of libjpeg, 
        [  --with-jpeg-dir[=DIR]     PDFLIB3: define libjpeg install directory])

        if test "$PHP_JPEG_DIR" != "no"; then
          PHP_CHECK_LIBRARY(jpeg,jpeg_read_header, 
          [
            PHP_ADD_LIBRARY_WITH_PATH(jpeg, $PHP_JPEG_DIR/lib, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_ERROR([libjpeg not found!])
          ],[
            -L$PHP_JPEG_DIR/lib
          ])
        else
          AC_CHECK_LIB(jpeg,jpeg_read_header,
          [ 
            PHP_ADD_LIBRARY(jpeg,, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_RESULT(no, try --with-jpeg-dir=<DIR>)
          ])
        fi

 
        PHP_ARG_WITH(png-dir, for the location of libpng, 
        [  --with-png-dir[=DIR]      PDFLIB3: define libpng install directory])
        
        if test "$PHP_PNG_DIR" != "no"; then
          PHP_CHECK_LIBRARY(png,png_create_info_struct, 
          [
            PHP_ADD_LIBRARY_WITH_PATH(png, $PHP_PNG_DIR/lib, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_ERROR([libpng not found!])
          ],[
            -L$PHP_PNG_DIR/lib
          ])
        else
          AC_CHECK_LIB(png,png_create_info_struct,
          [ 
            PHP_ADD_LIBRARY(png,, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_RESULT(no, try --with-png-dir=<DIR>)
          ])
        fi
        

        PHP_ARG_WITH(tiff-dir, for the location of libtiff,
        [  --with-tiff-dir[=DIR]     PDFLIB3: define libtiff install directory])

        if test "$PHP_TIFF_DIR" != "no"; then
          PHP_CHECK_LIBRARY(tiff,TIFFOpen, 
          [
            PHP_ADD_LIBRARY_WITH_PATH(tiff, $PHP_TIFF_DIR/lib, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_ERROR([libtiff not found!])
          ],[
            -L$PHP_TIFF_DIR/lib
          ])
        else
          AC_CHECK_LIB(tiff,TIFFOpen,
          [
            PHP_ADD_LIBRARY(tiff,, PDFLIB3_SHARED_LIBADD)
          ],[
            AC_MSG_RESULT(no, Try --with-tiff-dir=<DIR>)
          ])
        fi


        PHP_CHECK_LIBRARY(pdf, PDF_show_boxed, 
        [
          AC_DEFINE(HAVE_PDFLIB3,1,[ ]) 
          PHP_ADD_LIBRARY_WITH_PATH(pdf, $PHP_PDFLIB3/lib, PDFLIB3_SHARED_LIBADD)
          PHP_ADD_INCLUDE($PDFLIB3_INCLUDE)
        ],[
          AC_MSG_ERROR([pdflib3 extension requires at least pdflib 3.x.])
        ],[
          -L$PHP_PDFLIB3/lib
        ])
      fi 
    ;;
  esac
fi

PHP_ARG_WITH(pdflib,whether to include PDFlib support,
[  --with-pdflib[=DIR]     Include PDFlib 4.x support. DIR is the PDFlib
                          base install directory, defaults to /usr/local
                          Set DIR to "shared" to build as dl, or "shared,DIR"
                          to build as dl and still specify DIR.])

if test "$PHP_PDFLIB" != "no"; then
  case "$PHP_PDFLIB" in
    yes)
      PHP_EXTENSION(pdf, $ext_shared)
      AC_CHECK_LIB(pdf, PDF_open_pdi, [
        AC_DEFINE(HAVE_PDFLIB,1,[ ])
      ],[
        AC_MSG_ERROR([PDFlib extension requires at least PDFlib 4.x. To build wit
h PDFlib 3.x you should use --with-pdflib3.])
      ])
      AC_SUBST(PDFLIB_SHARED_LIBADD)
      PHP_ADD_LIBRARY(pdf, PDFLIB_SHARED_LIBADD)
      ;;
    no)
      ;;
    *)
      test -f $withval/include/pdflib.h && PDFLIB_INCLUDE="$withval/include"
      if test -n "$PDFLIB_INCLUDE" ; then
        PHP_EXTENSION(pdf, $ext_shared)
        old_LIBS=$LIBS
        LIBS="$LIBS -L$withval/lib"
        AC_CHECK_LIB(pdf, PDF_open_pdi, [
          AC_DEFINE(HAVE_PDFLIB,1,[ ])
          PDFLIB_LIBS="$PDFLIB_LIBS -L$withval/lib -lpdf"
        ],[
          AC_MSG_ERROR([PDFlib extension requires PDFlib 4.x.])
        ])
        LIBS=$old_LIBS
        AC_SUBST(PDFLIB_SHARED_LIBADD)
        PHP_ADD_LIBRARY_WITH_PATH(pdf, $withval/lib, PDFLIB_SHARED_LIBADD)
        PHP_ADD_INCLUDE($PDFLIB_INCLUDE)
      fi ;;
  esac
fi