build netpbm with correct LDFLAGS

Resolves: RHEL-70899

netpbm-shlib-ldflags.patch

@@ -0,0 +1,13 @@
+diff --git a/config.mk.in b/config.mk.in
+index 50687ba..d35c982 100644
+--- a/config.mk.in
++++ b/config.mk.in
+@@ -250,7 +250,7 @@ EXE =
+ 
+ # Here, $(SONAME) resolves to the soname for the shared library being created.
+ # The following are gcc options.  This works on GNU libc systems.
+-LDSHLIB = -shared -Wl,-soname,$(SONAME)
++LDSHLIB = $(LDFLAGS) -shared -Wl,-soname,$(SONAME)
+ # You need -nostart instead of -shared on BeOS.  Though the BeOS compiler is
+ # ostensibly gcc, it has the -nostart option, which is not mentioned in gcc
+ # documentation and doesn't exist in at least one non-BeOS installation.

netpbm.spec

@@ -1,7 +1,7 @@
 Summary:         A library for handling different graphics file formats
 Name:            netpbm
 Version:         11.02.00
-Release:         9%{?dist}
+Release:         10%{?dist}
 # See copyright_summary for details
 License:         BSD and GPLv2 and IJG and MIT and Public Domain
 URL: http://netpbm.sourceforge.net/
@@ -30,6 +30,7 @@ Patch16:         netpbm-jasper.patch
 Patch17:         netpbm-libdir-so.patch
 Patch18:         netpbm-c99.patch
 Patch19:         netpbm-c99-2.patch
+Patch20:         netpbm-shlib-ldflags.patch
 
 BuildRequires: make
 BuildRequires:   libjpeg-devel, libpng-devel, libtiff-devel, flex, gcc, jbigkit-devel
@@ -120,7 +121,7 @@ TOP=`pwd`
 
 make \
 	CC="%{__cc}" \
-	LDFLAGS="$LD_FLAGS -L$TOP/pbm -L$TOP/pgm -L$TOP/pnm -L$TOP/ppm" \
+	LDFLAGS="$LDFLAGS -L$TOP/pbm -L$TOP/pgm -L$TOP/pnm -L$TOP/ppm" \
 	CFLAGS="$CFLAGS -fPIC -flax-vector-conversions -fno-strict-aliasing" \
 	CFLAGS_CONFIG="$CFLAGS" \
 	LADD="-lm" \
@@ -230,6 +231,9 @@ popd
 %doc userguide/*
 
 %changelog
+* Wed Dec 11 2024 Lukáš Zaoral <lzaoral@redhat.com> - 11.02.00-10
+- build netpbm with correct LDFLAGS (RHEL-70899)
+
 * Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 11.02.00-9
 - Bump release for October 2024 mass rebuild:
   Resolves: RHEL-64018