2 files changed, 89 insertions, 1 deletions
diff --git a/dev-db/postgis/files/postgis-3.0.3-avoid-calling-ar-directly.patch b/dev-db/postgis/files/postgis-3.0.3-avoid-calling-ar-directly.patch
new file mode 100644
index 000000000000..66a82e1e7261
--- /dev/null
+++ b/dev-db/postgis/files/postgis-3.0.3-avoid-calling-ar-directly.patch
@@ -0,0 +1,85 @@
+From 7c5acb8ab83ee278f6a16c7279c3a12ca93499e9 Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl@gmail.com>
+Date: Sat, 5 Dec 2020 13:38:03 +0100
+Subject: [PATCH] avoid calling ar directly
+
+Signed-off-by: Bernd Waibel <waebbl@gmail.com>
+---
+ configure.ac               | 2 +-
+ deps/wagyu/Makefile.in     | 4 +++-
+ libpgcommon/Makefile.in    | 4 +++-
+ raster/rt_core/Makefile.in | 1 +
+ 4 files changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 4f26390..362d3e6 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -14,7 +14,7 @@ AC_CONFIG_HEADERS([postgis_config.h])
+ AC_CONFIG_MACRO_DIR([macros])
+ AC_CONFIG_AUX_DIR([build-aux])
+ AC_PROG_INSTALL
+-
++AM_PROG_AR
+ 
+ dnl Invoke libtool: we do this as it is the easiest way to find the PIC
+ dnl flags required to build liblwgeom
+diff --git a/deps/wagyu/Makefile.in b/deps/wagyu/Makefile.in
+index 03d2279..05d6629 100644
+--- a/deps/wagyu/Makefile.in
++++ b/deps/wagyu/Makefile.in
+@@ -28,6 +28,8 @@ LDFLAGS = @LDFLAGS@
+ top_builddir = @top_builddir@
+ libdir = @libdir@
+ LIBTOOL = @LIBTOOL@
++AR = @AR@
++ARFLAGS = rs
+ 
+ WAGYU_OBJS = \
+ 	lwgeom_wagyu.o
+@@ -78,7 +80,7 @@ WAGYU_HEADERS = \
+ all: @WAGYU_LIB@
+ 
+ @WAGYU_LIB@: $(WAGYU_OBJS)
+-	ar rs @WAGYU_LIB@ $(WAGYU_OBJS)
++	$(AR) $(ARFLAGS) @WAGYU_LIB@ $(WAGYU_OBJS)
+ 
+ $(WAGYU_OBJS): %.o: %.cpp ../../liblwgeom/liblwgeom.h $(WAGYU_HEADERS)
+ 	$(CXX) $(CXXFLAGS) -c -o $@ $<
+diff --git a/libpgcommon/Makefile.in b/libpgcommon/Makefile.in
+index c44cf5b..78eb282 100644
+--- a/libpgcommon/Makefile.in
++++ b/libpgcommon/Makefile.in
+@@ -12,6 +12,8 @@
+ CC=@CC@
+ CFLAGS=-I../liblwgeom @WARNFLAGS@ @CFLAGS@ @PGSQL_BE_CPPFLAGS@ @PROJ_CPPFLAGS@ @PICFLAGS@ @GETTEXT_CFLAGS@
+ LDFLAGS=@GETTEXT_LDFLAGS@ @LIBINTL@
++AR = @AR@
++ARFLAGS = rs
+ 
+ NUMERICFLAGS=@NUMERICFLAGS@
+ 
+@@ -39,7 +41,7 @@ all: libpgcommon.a
+ install uninstall:
+ 
+ libpgcommon.a: $(SA_OBJS) $(SA_HEADERS)
+-	ar rs libpgcommon.a $(SA_OBJS)
++	$(AR) $(ARFLAGS) libpgcommon.a $(SA_OBJS)
+ 
+ maintainer-clean: clean
+ 
+diff --git a/raster/rt_core/Makefile.in b/raster/rt_core/Makefile.in
+index 380a3e7..b399661 100644
+--- a/raster/rt_core/Makefile.in
++++ b/raster/rt_core/Makefile.in
+@@ -18,6 +18,7 @@
+ #
+ #############################################################################
+ 
++AR = @AR@
+ ARFLAGS = rs
+ 
+ CC = @CC@
+-- 
+2.29.2
+
diff --git a/dev-db/postgis/postgis-3.0.3.ebuild b/dev-db/postgis/postgis-3.0.3-r1.ebuild
index 3e05e061edf1..ef6c9bc20dbb 100644
--- a/dev-db/postgis/postgis-3.0.3.ebuild
+++ b/dev-db/postgis/postgis-3.0.3-r1.ebuild
@@ -53,7 +53,10 @@ DEPEND="${RDEPEND}
 	test? ( dev-util/cunit )
 "
 
-PATCHES=( "${FILESDIR}/${PN}-2.2.0-arflags.patch" )
+PATCHES=(
+	"${FILESDIR}/${PN}-2.2.0-arflags.patch"
+	"${FILESDIR}/${P}-avoid-calling-ar-directly.patch"
+)
 
 src_prepare() {
 	default