Patch slack to use glibc 2.27

2 files changed, 27 insertions, 4 deletions

diff --git a/.SRCINFO b/.SRCINFO
index ef29ae874fca..932605ffa773 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,10 +1,11 @@
 pkgbase = slack-desktop
 	pkgdesc = Slack Desktop (Beta) for Linux
 	pkgver = 3.2.1
-	pkgrel = 3
+	pkgrel = 4
 	url = https://slack.com/downloads
 	arch = x86_64
 	license = custom
+	makedepends = patchelf
 	depends = alsa-lib
 	depends = gconf
 	depends = gtk3
@@ -14,10 +15,16 @@ pkgbase = slack-desktop
 	depends = libxtst
 	depends = nss
 	optdepends = gnome-keyring
+	noextract = slack-desktop-3.2.1-amd64.deb
+	noextract = glibc-2.27-3-x86_64.pkg.tar.xz
+	options = !strip
+	options = staticlibs
 	source = https://downloads.slack-edge.com/linux_releases/slack-desktop-3.2.1-amd64.deb
 	source = slack-desktop.patch
+	source = https://archive.archlinux.org/packages/g/glibc/glibc-2.27-3-x86_64.pkg.tar.xz
 	sha256sums = 503995fe48cdb435a479669971e2a7ea7223428adc3c4f9fee94dbbdf9bcad24
 	sha256sums = c952eb32dd59beff9fc5374853b04acde4a60ed8c39934fcd0b66829455d594d
+	sha256sums = a9e1b18d7f613be660556dbd6883781e88a0f5113230147e230d3e2f268792dc
 
 pkgname = slack-desktop
 
diff --git a/PKGBUILD b/PKGBUILD
index 64b1f41a30a4..ecd87af95c9c 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,17 +4,23 @@
 
 pkgname=slack-desktop
 pkgver=3.2.1
-pkgrel=3
+pkgrel=4
 pkgdesc="Slack Desktop (Beta) for Linux"
 arch=('x86_64')
 url="https://slack.com/downloads"
 license=('custom')
 depends=('alsa-lib' 'gconf' 'gtk3' 'libcurl-compat' 'libsecret' 'libxss' 'libxtst' 'nss')
 optdepends=('gnome-keyring')
+makedepends=('patchelf')
+options=('!strip' 'staticlibs')
 source=("https://downloads.slack-edge.com/linux_releases/${pkgname}-${pkgver}-amd64.deb"
-        "${pkgname}.patch")
+        "${pkgname}.patch"
+        "https://archive.archlinux.org/packages/g/glibc/glibc-2.27-3-x86_64.pkg.tar.xz")
+noextract=("${pkgname}-${pkgver}-amd64.deb"
+           "glibc-2.27-3-x86_64.pkg.tar.xz")
 sha256sums=('503995fe48cdb435a479669971e2a7ea7223428adc3c4f9fee94dbbdf9bcad24'
-            'c952eb32dd59beff9fc5374853b04acde4a60ed8c39934fcd0b66829455d594d')
+            'c952eb32dd59beff9fc5374853b04acde4a60ed8c39934fcd0b66829455d594d'
+            'a9e1b18d7f613be660556dbd6883781e88a0f5113230147e230d3e2f268792dc')
 
 package() {
     bsdtar -O -xf "slack-desktop-${pkgver}"*.deb data.tar.xz | bsdtar -C "${pkgdir}" -xJf -
@@ -34,4 +40,14 @@ package() {
     install -dm755 "${pkgdir}/usr/share/licenses/${pkgname}"
     mv "${pkgdir}/usr/lib/slack/LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}"
     ln -s "/usr/share/licenses/${pkgname}/LICENSE" "${pkgdir}/usr/lib/slack/LICENSE"
+
+    # Patch slack to use glibc 2.27
+    _idir="/usr/lib/slack"
+    _pdir="${pkgdir}${_idir}"
+    _pbin="${_pdir}/slack"
+    mkdir -p "$_pdir/glibc"
+    tar -xJf "glibc-2.27-3-x86_64.pkg.tar.xz" -C "$_pdir/glibc"
+    rm "$_pdir/glibc/"{.BUILDINFO,.INSTALL,.MTREE,.PKGINFO}
+    patchelf --set-interpreter "$_idir/glibc/usr/lib/ld-linux-x86-64.so.2" "$_pbin"
+    patchelf --set-rpath "$_idir:$_idir/glibc/usr/lib" "$_pbin"
 }