debian/changelog

+postgis (3.0.0+dfsg-3) unstable; urgency=medium
+
+  * Disable SFCGAL support on armhf, it FTBFS there.
+
+ -- Bas Couwenberg <sebastic@debian.org>  Fri, 06 Dec 2019 11:23:34 +0100
+
 postgis (3.0.0+dfsg-2) unstable; urgency=medium
 
   * Move from experimental to unstable.

debian/control

@@ -26,7 +26,7 @@ Build-Depends: autoconf2.13,
                libjson-c-dev | libjson0-dev (>= 0.9~),
                libproj-dev (>= 4.6.0),
                libprotobuf-c-dev,
-               libsfcgal-dev (>= 1.3.1) [!armel],
+               libsfcgal-dev (>= 1.3.1) [!armel !armhf],
                libxml2-dev (>= 2.5.0~),
                lsb-release,
                po-debconf,

debian/control.in

@@ -26,7 +26,7 @@ Build-Depends: autoconf2.13,
                libjson-c-dev | libjson0-dev (>= 0.9~),
                libproj-dev (>= 4.6.0),
                libprotobuf-c-dev,
-               libsfcgal-dev (>= 1.3.1) [!armel],
+               libsfcgal-dev (>= 1.3.1) [!armel !armhf],
                libxml2-dev (>= 2.5.0~),
                lsb-release,
                po-debconf,