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#################################################################################
## Utility functions for testing the availability of generic libraries
## on a list of paths
#################################################################################
# HDF_CHECK_LIB_PATH([lib],[func],[path1,path2,path3])
AC_DEFUN(
[HDF_CHECK_LIB_PATH],
[
m4_foreach([path], [$3], [
lib_path=path
AS_IF(
[test "x$AS_TR_SH([ac_cv_lib_$1_$2])" != "xyes"],
[
unset AS_TR_SH([ac_cv_lib_$1_$2])
saved_LDFLAGS="$LDFLAGS"
AS_IF([test -n "$lib_path"], [LDFLAGS="-L$lib_path $LDFLAGS"])
AC_CHECK_LIB(
[$1],[$2],
[
AS_TR_SH([ac_cv_lib_$1_$2])="yes"
AS_TR_SH([AS_TR_SH([m4_toupper([HAVE_LIB$1])])])="yes"
lib_name=AS_TR_SH([m4_toupper([HAVE_LIB$1])])
AC_DEFINE_UNQUOTED([$lib_name],[1],[something here])
LIBS="-l$1 $LIBS"
],[
LDFLAGS="$saved_LDFLAGS"
AS_TR_SH([ac_cv_lib_$1_$2])="no"
])
])
])
])
#################################################################################
## Utility functions for testing the availability of generic libraries
#################################################################################
# HDF_CHECK_LIB([zlib],[z],[compress2],[path])
AC_DEFUN(
[HDF_CHECK_LIB],
[
AC_ARG_WITH([$1],
[AC_HELP_STRING([--with-$1=DIR],
[Specify path to external $1 library.
Linker must be able to find $1 if HDF4
was built with $1.
[default=yes]])],,
withval=yes)
AS_IF(
## --with-<lib> with no directory. We must find it.
##
[test "x$withval" == "xyes"],
[
HDF_CHECK_LIB_PATH([$2],[$3],[$4])
],
## --without-<lib>
## Nothing to do - library just does not get added.
##
[test "x$withval" == "xno"],,
## All other cases
##
[
AS_IF(
[test -z "$withval"],[
AC_MSG_ERROR([no $1 library path provided])
],
[
LDFLAGS="-L$withval $LDFLAGS"
AC_CHECK_LIB(
[$2],[$3],,
[
AC_MSG_ERROR([couldn't find $1 library])
])
])
]
)
])
|
