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117 lines
4.0 KiB
Plaintext
117 lines
4.0 KiB
Plaintext
dnl Define zlib paths to point at bundled zlib
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AC_DEFUN([MYSQL_USE_BUNDLED_ZLIB], [
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ZLIB_INCLUDES="-I\$(top_srcdir)/zlib"
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ZLIB_LIBS="\$(top_builddir)/zlib/libz.la"
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dnl Omit -L$pkglibdir as it's always in the list of mysql_config deps.
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ZLIB_DEPS="-lz"
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zlib_dir="zlib"
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AC_SUBST([zlib_dir])
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mysql_cv_compress="yes"
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])
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dnl Auxiliary macro to check for zlib at given path
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AC_DEFUN([MYSQL_CHECK_ZLIB_DIR], [
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save_INCLUDES="$INCLUDES"
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save_LIBS="$LIBS"
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INCLUDES="$INCLUDES $ZLIB_INCLUDES"
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LIBS="$LIBS $ZLIB_LIBS"
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AC_CACHE_VAL([mysql_cv_compress],
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[AC_TRY_LINK([#include <zlib.h>],
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[return compress(0, (unsigned long*) 0, "", 0);],
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[mysql_cv_compress="yes"
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AC_MSG_RESULT([ok])],
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[mysql_cv_compress="no"])
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])
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INCLUDES="$save_INCLUDES"
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LIBS="$save_LIBS"
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])
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dnl MYSQL_CHECK_ZLIB_WITH_COMPRESS
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dnl ------------------------------------------------------------------------
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dnl @synopsis MYSQL_CHECK_ZLIB_WITH_COMPRESS
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dnl
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dnl Provides the following configure options:
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dnl --with-zlib-dir=DIR
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dnl Possible DIR values are:
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dnl - "no" - the macro will disable use of compression functions
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dnl - "bundled" - means use zlib bundled along with MySQL sources
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dnl - empty, or not specified - the macro will try default system
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dnl library (if present), and in case of error will fall back to
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dnl bundled zlib
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dnl - zlib location prefix - given location prefix, the macro expects
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dnl to find the library headers in $prefix/include, and binaries in
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dnl $prefix/lib. If zlib headers or binaries weren't found at $prefix, the
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dnl macro bails out with error.
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dnl
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dnl If the library was found, this function #defines HAVE_COMPRESS
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dnl and configure variables ZLIB_INCLUDES (i.e. -I/path/to/zlib/include),
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dnl ZLIB_LIBS (i. e. -L/path/to/zlib/lib -lz) and ZLIB_DEPS which is
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dnl used in mysql_config and is always the same as ZLIB_LIBS except to
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dnl when we use the bundled zlib. In the latter case ZLIB_LIBS points to the
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dnl build dir ($top_builddir/zlib), while mysql_config must point to the
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dnl installation dir ($pkglibdir), so ZLIB_DEPS is set to point to
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dnl $pkglibdir.
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AC_DEFUN([MYSQL_CHECK_ZLIB_WITH_COMPRESS], [
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AC_MSG_CHECKING([for zlib compression library])
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case $SYSTEM_TYPE in
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*netware* | *modesto*)
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AC_MSG_RESULT(ok)
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AC_DEFINE([HAVE_COMPRESS], [1], [Define to enable compression support])
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;;
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*)
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AC_ARG_WITH([zlib-dir],
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AC_HELP_STRING([--with-zlib-dir=DIR],
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[Provide MySQL with a custom location of
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compression library. Given DIR, zlib binary is
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assumed to be in $DIR/lib and header files
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in $DIR/include.]),
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[mysql_zlib_dir=${withval}],
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[mysql_zlib_dir=""])
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case "$mysql_zlib_dir" in
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"no")
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mysql_cv_compress="no"
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AC_MSG_RESULT([disabled])
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;;
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"bundled")
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MYSQL_USE_BUNDLED_ZLIB
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AC_MSG_RESULT([using bundled zlib])
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;;
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"")
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ZLIB_INCLUDES=""
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ZLIB_LIBS="-lz"
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MYSQL_CHECK_ZLIB_DIR
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if test "$mysql_cv_compress" = "no"; then
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MYSQL_USE_BUNDLED_ZLIB
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AC_MSG_RESULT([system-wide zlib not found, using one bundled with MySQL])
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fi
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;;
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*)
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if test -f "$mysql_zlib_dir/lib/libz.a" -a \
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-f "$mysql_zlib_dir/include/zlib.h"; then
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ZLIB_INCLUDES="-I$mysql_zlib_dir/include"
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ZLIB_LIBS="-L$mysql_zlib_dir/lib -lz"
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MYSQL_CHECK_ZLIB_DIR
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fi
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if test "x$mysql_cv_compress" != "xyes"; then
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AC_MSG_ERROR([headers or binaries were not found in $mysql_zlib_dir/{include,lib}])
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fi
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;;
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esac
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if test "$mysql_cv_compress" = "yes"; then
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if test "x$ZLIB_DEPS" = "x"; then
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ZLIB_DEPS="$ZLIB_LIBS"
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fi
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AC_SUBST([ZLIB_LIBS])
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AC_SUBST([ZLIB_DEPS])
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AC_SUBST([ZLIB_INCLUDES])
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AC_DEFINE([HAVE_COMPRESS], [1], [Define to enable compression support])
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fi
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;;
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esac
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])
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dnl ------------------------------------------------------------------------
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