Matteo Bernardini <ponce@slackbuilds.org>
fix it like https://gitweb.gentoo.org/repo/gentoo.git/plain/net-libs/farstream/files/farstream-0.2.8-make43.patch

diff -Naur farsight2-0.0.31.orig/common/glib-gen.mak farsight2-0.0.31/common/glib-gen.mak
--- farsight2-0.0.31.orig/common/glib-gen.mak	2010-10-08 18:38:56.000000000 +0200
+++ farsight2-0.0.31/common/glib-gen.mak	2021-02-16 09:48:20.885387000 +0100
@@ -1,11 +1,13 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_enum_prefix=gst_color_balance
 
-enum_headers=$(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers=$(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 
 # these are all the rules generating the relevant files
 %-marshal.h: %-marshal.list
diff -Naur farsight2-0.0.31.orig/common/gst-glib-gen.mak farsight2-0.0.31/common/gst-glib-gen.mak
--- farsight2-0.0.31.orig/common/gst-glib-gen.mak	2010-10-08 18:38:56.000000000 +0200
+++ farsight2-0.0.31/common/gst-glib-gen.mak	2021-02-16 09:47:43.231387000 +0100
@@ -1,12 +1,14 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_gen_prefix=gst_color_balance
 #glib_gen_basename=colorbalance
 
-enum_headers=$(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers=$(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 
 # these are all the rules generating the relevant files
 $(glib_gen_basename)-marshal.h: $(glib_gen_basename)-marshal.list
diff -Naur farsight2-0.0.31.orig/common-modified/gst-glib-gen.mak farsight2-0.0.31/common-modified/gst-glib-gen.mak
--- farsight2-0.0.31.orig/common-modified/gst-glib-gen.mak	2011-09-07 22:20:18.000000000 +0200
+++ farsight2-0.0.31/common-modified/gst-glib-gen.mak	2021-02-16 09:48:55.282387000 +0100
@@ -1,12 +1,14 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_gen_prefix=gst_color_balance
 #glib_gen_basename=colorbalance
 
-enum_headers=$(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers=$(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 
 # these are all the rules generating the relevant files
 $(glib_gen_basename)-marshal.h: $(glib_gen_basename)-marshal.list
diff -Naur farsight2-0.0.31.orig/gst/fsrtpconference/Makefile.in farsight2-0.0.31/gst/fsrtpconference/Makefile.in
--- farsight2-0.0.31.orig/gst/fsrtpconference/Makefile.in	2011-10-10 21:59:55.000000000 +0200
+++ farsight2-0.0.31/gst/fsrtpconference/Makefile.in	2021-02-16 09:49:52.456387000 +0100
@@ -18,6 +18,8 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_gen_prefix=gst_color_balance
@@ -458,7 +460,7 @@
 glib_enum_define = FS_RTP
 glib_gen_prefix = _fs_rtp
 glib_gen_basename = fs-rtp
-enum_headers = $(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers = $(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 all: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
diff -Naur farsight2-0.0.31.orig/gst-libs/gst/farsight/Makefile.in farsight2-0.0.31/gst-libs/gst/farsight/Makefile.in
--- farsight2-0.0.31.orig/gst-libs/gst/farsight/Makefile.in	2011-10-10 21:59:55.000000000 +0200
+++ farsight2-0.0.31/gst-libs/gst/farsight/Makefile.in	2021-02-16 09:50:34.663387000 +0100
@@ -18,6 +18,8 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_gen_prefix=gst_color_balance
@@ -438,7 +440,7 @@
 glib_enum_define = FS
 glib_gen_prefix = _fs
 glib_gen_basename = fs
-enum_headers = $(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers = $(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 all: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
diff -Naur farsight2-0.0.31.orig/transmitters/rawudp/Makefile.in farsight2-0.0.31/transmitters/rawudp/Makefile.in
--- farsight2-0.0.31.orig/transmitters/rawudp/Makefile.in	2011-10-10 21:59:56.000000000 +0200
+++ farsight2-0.0.31/transmitters/rawudp/Makefile.in	2021-02-16 09:51:10.249387000 +0100
@@ -18,6 +18,8 @@
 # these are the variables your Makefile.am should set
 # the example is based on the colorbalance interface
 
+H := \#
+
 #glib_enum_headers=$(colorbalance_headers)
 #glib_enum_define=GST_COLOR_BALANCE
 #glib_gen_prefix=gst_color_balance
@@ -392,7 +394,7 @@
 glib_enum_define = FS_RAWUDP
 glib_gen_prefix = _fs_rawudp
 glib_gen_basename = fs-rawudp
-enum_headers = $(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
+enum_headers = $(foreach h,$(glib_enum_headers),\n$(H)include \"$(h)\")
 all: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) all-am