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# ESO_CHECK_CPL
#---------------
# Checks for the CPL libraries and header files. Intended for use by pipelines
# Sets:
# CPL_INCLUDES
# CPL_LDFLAGS
# LIBCPLCORE
# LIBCPLDRS
# LIBCPLUI
# LIBCPLDFS
# LIBCEXT
AC_DEFUN([ESO_CHECK_CPL],
[
AC_MSG_CHECKING([for CPL])
# assumes if one is there all are there as there is no way to do a partial
# install with cpl
cpl_check_cpl_lib="-lcplcore"
cpl_includes=""
cpl_ldflags=""
AC_ARG_WITH(cpl,
AS_HELP_STRING([--with-cpl],
[location where CPL is installed]),
[
cpl_with_cpl_includes=$withval/include
# opensuse defaults also non systems installations to lib64 ...
cpl_with_cpl_libs="-L$withval/lib -L$withval/lib64 -L$withval/lib32"
])
AC_ARG_WITH(cpl-includes,
AS_HELP_STRING([--with-cpl-includes],
[location of the CPL header files]),
cpl_with_cpl_includes=$withval)
AC_ARG_WITH(cpl-libs,
AS_HELP_STRING([--with-cpl-libs],
[location of the CPL library]),
cpl_with_cpl_libs=-L$withval)
AC_ARG_ENABLE(cpl-test,
AS_HELP_STRING([--disable-cpl-test],
[disables checks for the CPL library and headers]),
cpl_enable_cpl_test=$enableval,
cpl_enable_cpl_test=yes)
if test "x$cpl_enable_cpl_test" = xyes; then
AC_MSG_CHECKING(checking for cpl)
save_LDFLAGS="$LDFLAGS"
save_LIBS="$LIBS"
save_CFLAGS="$CFLAGS"
if test -n "$cpl_with_cpl_libs"; then
LDFLAGS="$cpl_with_cpl_libs"
elif test -n "$CPLDIR"; then
LDFLAGS="-L$CPLDIR/lib -L$CPLDIR/lib64 -L$CPLDIR/lib32"
else
LDFLAGS=""
fi
if test -n "$cpl_with_cpl_includes"; then
CFLAGS="-I$cpl_with_cpl_includes"
elif test -n "$CPLDIR"; then
CFLAGS="-I$CPLDIR/include"
else
CFLAGS=""
fi
LIBS=$cpl_check_cpl_lib
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <cpl.h>]], [[cpl_init(0);]])],[
AC_MSG_RESULT(yes)
cpl_includes=$CFLAGS
cpl_ldflags=$LDFLAGS
],[
AC_MSG_ERROR([CPL not found])
])
# Set up the symbols
CPL_INCLUDES="$cpl_includes"
CPL_LDFLAGS="$cpl_ldflags"
LDFLAGS="$save_LDFLAGS"
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
LIBCPLCORE='-lcplcore'
LIBCPLDRS='-lcpldrs'
LIBCPLUI='-lcplui'
LIBCPLDFS='-lcpldfs'
LIBCEXT='-lcext'
else
AC_MSG_RESULT([disabled])
AC_MSG_WARN([CPL checks have been disabled! This package may not build!])
CPL_INCLUDES=""
CPL_LDFLAGS=""
LIBCPLCORE=""
LIBCPLDRS=""
LIBCPLUI=""
LIBCPLDFS=""
LIBCEXT=""
fi
AC_SUBST(CPL_INCLUDES)
AC_SUBST(CPL_LDFLAGS)
AC_SUBST(LIBCPLCORE)
AC_SUBST(LIBCPLDRS)
AC_SUBST(LIBCPLUI)
AC_SUBST(LIBCPLDFS)
AC_SUBST(LIBCEXT)
])
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