dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"
+dnl Allow to specify iconv options to the toplevel configure script
+dnl so they can be properly passed to sub-builds.
+dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
+dnl to the empty string to allow them to be overridden from the
+dnl environment.
+
+AC_ARG_WITH([iconv-includes],
+ [AC_HELP_STRING([--with-iconv-includes],
+ [directory containing iconv.h])],
+ [ICONV_INCLUDE_DIRS=$withval])
+
+AC_ARG_WITH([iconv-libraries],
+ [AC_HELP_STRING([--with-iconv-libraries],
+ [directory containing iconv library])],
+ [ICONV_LIB_DIRS=$withval])
+
+AC_SUBST(ICONV_INCLUDE_DIRS)
+AC_SUBST(ICONV_LIB_DIRS)
+
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
################################################################################
#
+# To be passed to sub-builds
+#
+################################################################################
+
+ICONV_INCLUDE_DIRS = @ICONV_INCLUDE_DIRS@
+ICONV_LIB_DIRS = @ICONV_LIB_DIRS@
+
+################################################################################
+#
# Bindist testing directory
#
################################################################################
$1_$2_CONFIGURE_OPTS += --configure-option=CFLAGS="$$(filter-out -Werror,$$(SRC_CC_OPTS)) $$($1_CC_OPTS) $$($1_$2_CC_OPTS)"
$1_$2_CONFIGURE_OPTS += --configure-option=LDFLAGS="$$(SRC_LD_OPTS) $$($1_LD_OPTS) $$($1_$2_LD_OPTS)"
+ifneq "$$(ICONV_INCLUDE_DIRS)" ""
+$1_$2_CONFIGURE_OPTS += --configure-option=--with-iconv-includes="$$(ICONV_INCLUDE_DIRS)"
+endif
+
+ifneq "$$(ICONV_LIB_DIRS)" ""
+$1_$2_CONFIGURE_OPTS += --configure-option=--with-iconv-libraries="$$(ICONV_LIB_DIRS)"
+endif
+
# This rule configures the package, generates the package-data.mk file
# for our build system, and registers the package for use in-place in
# the build tree.