New comment by r-ricci on void-packages repository

https://github.com/void-linux/void-packages/pull/41188#issuecomment-1564990586

Comment:
I made some changes (r-ricci@e2a7b5e6d35fce78859286aaad9d15d2d63770ab) on my branch:

```diff
diff --git a/common/shlibs b/common/shlibs
index d56441a56b..96cb0a43e7 100644
--- a/common/shlibs
+++ b/common/shlibs
@@ -2283,10 +2283,10 @@ libsfml-system.so.2.5 SFML-2.5.0_1
 libsfml-window.so.2.5 SFML-2.5.0_1
 libsfml-audio.so.2.5 SFML-2.5.0_1
 libsfml-graphics.so.2.5 SFML-2.5.0_1
-libclamav.so.11 clamav-1.0.0_1
-libclamunrar.so.11 clamav-1.0.0_1
-libclamunrar_iface.so.11 clamav-1.0.0_1
-libfreshclam.so.2 clamav-0.103.1_2
+libclamav.so.12 clamav-1.1.0_1
+libclamunrar.so.12 clamav-1.1.0_1
+libclamunrar_iface.so.12 clamav-1.1.0_1
+libfreshclam.so.3 clamav-1.1.0_1
 libqca-qt5.so.2 qca-qt5-2.1.3_1
 libqt5keychain.so.1 qtkeychain-qt5-0.7.0_1
 libphonon4qt5.so.4 phonon-qt5-4.8.3_1
diff --git a/srcpkgs/clamav/files/link-fts.patch b/srcpkgs/clamav/files/link-fts.patch
new file mode 100644
index 0000000000..fe88e99c01
--- /dev/null
+++ b/srcpkgs/clamav/files/link-fts.patch
@@ -0,0 +1,12 @@
+diff --git a/clamonacc/CMakeLists.txt b/clamonacc/CMakeLists.txt
+index e95e6d0..928b60a 100644
+--- a/clamonacc/CMakeLists.txt
++++ b/clamonacc/CMakeLists.txt
+@@ -47,6 +47,7 @@ set_target_properties( clamonacc PROPERTIES COMPILE_FLAGS "${WARNCFLAGS}" )
+ 
+ target_link_libraries( clamonacc
+     PRIVATE
++        fts
+         ClamAV::libclamav
+         ClamAV::common
+         CURL::libcurl )
diff --git a/srcpkgs/clamav/template b/srcpkgs/clamav/template
index 32c5ed3c3e..00a381d508 100644
--- a/srcpkgs/clamav/template
+++ b/srcpkgs/clamav/template
@@ -1,8 +1,9 @@
 # Template file for 'clamav'
 pkgname=clamav
-version=1.0.1
+version=1.1.0
 revision=1
 build_style=cmake
+build_helper="qemu"
 configure_args="-DAPP_CONFIG_DIRECTORY=/etc
  -DDATABASE_DIRECTORY=/var/lib/_clamav
  -DENABLE_JSON_SHARED=ON
@@ -26,21 +27,30 @@ short_desc="Clam Anti-Virus scanner"
 maintainer="Jan Christian Grünhage <jan.christian@gruenhage.xyz>"
 license="GPL-2.0-only"
 homepage="https://www.clamav.net/"
+changelog="https://raw.githubusercontent.com/Cisco-Talos/clamav/main/NEWS.md"
 distfiles="https://www.clamav.net/downloads/production/clamav-${version}.tar.gz"
-checksum=0872dc1b82ff4cd7e8e4323faf5ee41a1f66ae80865d05429085b946355d86ee
+checksum=a30020d99cd467fa5ea0efbd6f4f182efebf62a9fc62fc4a3a7b2cc3f55e6b74
 _clamav_homedir="/var/lib/_${pkgname}"
 _clamav_descr="ClamAV user"
 system_accounts="_clamav"
 
-CPPFLAGS="-Wno-unused-local-typedefs"
 if [ "$CROSS_BUILD" ]; then
 	configure_args+=" -DDISABLE_MPOOL=1"
 fi
 if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
 	makedepends+=" musl-fts-devel"
-	LDFLAGS="-lfts"
+	configure_args+=" -DHAVE_SYSTEM_LFS_FTS=ON"
 fi
 
+post_patch() {
+	if [ "$XBPS_TARGET_LIBC" = "musl" ]; then
+		# for some reason CFLAGS="-lfts" doesn't work
+		# and we can't use a regular patch because
+		# it won't build on glibc
+		patch -Np1 < "${FILESDIR}/link-fts.patch"
+	fi
+}
+
 post_install() {
 	vsv clamd
 	vsv freshclam
```

Now it builds on both glibc and musl.

`build_helper="qemu"` makes cmake happy when cross-compiling, but then I get a link-time error which I don't know how to fix.