app-accessibility/speech-dispatcher: pass LDFLAGS, don't call help2man w/ cross-compile

fix LDFLAGS= in src/modules/Makefile.am (fixed in master)

manpages can't be generated w/ cross-compile, just launch --help

Closes: https://bugs.gentoo.org/954366
Signed-off-by: Nicolas PARLANT <nicolas.parlant@parhuet.fr>
Part-of: https://codeberg.org/gentoo/gentoo/pulls/633
Merges: https://codeberg.org/gentoo/gentoo/pulls/633
Signed-off-by: Sam James <sam@gentoo.org>

app-accessibility/speech-dispatcher/speech-dispatcher-0.12.1.ebuild

@@ -1,10 +1,10 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
 PYTHON_COMPAT=( python3_{11..14} )
-inherit python-r1 systemd
+inherit python-r1 systemd toolchain-funcs
 
 DESCRIPTION="Speech synthesis interface"
 HOMEPAGE="https://freebsoft.org/speechd"
@@ -41,6 +41,9 @@ src_configure() {
 	# bug 573732
 	export GIT_CEILING_DIRECTORIES="${WORKDIR}"
 
+	# manpages can't be generated w/o launching programs
+	tc-is-cross-compiler && export ac_cv_prog_HELP2MAN=
+
 	local myeconfargs=(
 		--disable-ltdl
 		--disable-python
@@ -72,7 +75,8 @@ src_configure() {
 src_compile() {
 	use python && python_copy_sources
 
-	emake
+	# LDFLAGS fixed in master, remove w/ >0.12.1
+	emake LDFLAGS="${LDFLAGS}"
 
 	if use python; then
 		building() {
@@ -124,4 +128,9 @@ pkg_postinst() {
 		ewarn "and make sure the settings there match your system."
 		ewarn
 	fi
+
+	if tc-is-cross-compiler; then
+		ewarn "The manpages are not generated due to cross-compilation."
+		ewarn "Launching the commands with --help is equivalent."
+	fi
 }