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Test for ZLib installation, as requested by Sirp

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This commit is contained in:
Ignacio R. Morelle 2008-03-14 19:27:56 +00:00
parent 2aaf916b14
commit 08ed96b1a9
2 changed files with 61 additions and 0 deletions
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10
configure.ac
View File

@ -970,6 +970,16 @@ if test "x$lite" = "xno"; then
fi
fi
#######################################################################
# Check for ZLib #
#######################################################################
AM_PATH_ZLIB
CPPFLAGS="$CPPFLAGS $ZLIB_CFLAGS"
CFLAGS="$CPPFLAGS $ZLIB_CFLAGS"
LIBS="$LIBS $ZLIB_LIBS"
#######################################################################
# Check for boost iostreams #
#######################################################################

51
m4/zlib.m4 Normal file
View File

@ -0,0 +1,51 @@
dnl
dnl zlib.m4 -- Find the path to the zlib library.
dnl
AC_DEFUN([AM_PATH_ZLIB],
[ZLIB_CFLAGS=""
ZLIB_LDFLAGS=""
ZLIB_LIBS=""
AC_ARG_WITH([zlib-prefix],
[ --with-zlib-prefix=PFX Prefix where zlib is installed (optional)],
zlib_prefix="$withval", zlib_prefix="")
if test x"$zlib_prefix" = xyes ; then
zlib_prefix="";
fi
AC_MSG_CHECKING([for zlib location])
if test x"$zlib_prefix" = x ; then
zlib_header_found="no"
for dir in /usr/local /usr ; do
if test -f "$dir/include/zlib.h" ; then
zlib_header_found="yes"
ZLIB_CFLAGS="-I$dir/include"
ZLIB_LDFLAGS="-L$dir/lib"
break
fi
done
if test x"$zlib_header_found" = "no" ; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([zlib header file 'zlib.h' not found.])
fi
AC_MSG_RESULT([$dir])
else
ZLIB_CFLAGS="-I$zlib_prefix/include"
ZLIB_LDFLAGS="-L$zlib_prefix/lib"
AC_MSG_RESULT([$zlib_prefix])
fi
zlib_save_LDFLAGS=$LDFLAGS
LDFLAGS="$ZLIB_LDFLAGS $LDFLAGS"
zlib_save_CFLAGS=$CFLAGS
CFLAGS="$ZLIB_CFLAGS $CFLAGS"
AC_CHECK_LIB([z], [compress], [ZLIB_LIBS="$ZLIB_LDFLAGS -lz"], [ZLIB_LIBS=""])
LDFLAGS=$zlib_save_LDFLAGS
CFLAGS=$zlib_save_CFLAGS
if test x"$ZLIB_LIBS" = x ; then
AC_MSG_ERROR([zlib required but not found])
fi
AC_SUBST([ZLIB_CFLAGS])
AC_SUBST([ZLIB_LIBS])])
]