diff -urEbw abcm2ps-8.14.12/configure abcm2ps-8.14.12.new/configure
--- abcm2ps-8.14.12/configure	2021-07-14 16:15:45.000000000 +0200
+++ abcm2ps-8.14.12.new/configure	2021-07-15 08:26:38.120364301 +0200
@@ -6,7 +6,7 @@
 
 : "${CC:=gcc}"
 : "${PKG_CONFIG:=pkg-config}"
-CFLAGS="-g -O2 -Wall -pipe $CFLAGS"
+CFLAGS="$RPM_OPT_FLAGS -pipe"
 
 srcdir=.
 : "${prefix=/usr/local}"
@@ -63,8 +63,8 @@
 elif ! $PKG_CONFIG --exists pangocairo ; then
 	echo "pangocairo not found - no pango support"
 else
-	CPPFLAGS="$CPPFLAGS -DHAVE_PANGO=1 `$PKG_CONFIG pango cairo freetype2 --cflags`"
-	LDLIBS="`$PKG_CONFIG pangocairo pangoft2 freetype2 --libs` $LDLIBS"
+	CPPFLAGS="$CPPFLAGS -DHAVE_PANGO=1 `pkg-config pango cairo gobject-2.0 freetype2 --cflags`"
+	LDLIBS="$LDLIBS `pkg-config pangocairo pangoft2 gobject-2.0 freetype2 --libs`"
 fi
 
 CPPFLAGS="$CPPFLAGS -I."