add bzip2.pc

bzip2.pc

@@ -0,0 +1,11 @@
+prefix=/usr
+exec_prefix=/usr
+bindir=/usr/bin
+libdir=
+includedir=/usr/include
+
+Name: bzip2
+Description: A file compression library
+Version: @VERSION@
+Libs: -L${libdir} -lbz2
+Cflags: -I${includedir}

bzip2.spec

@@ -7,7 +7,7 @@
 Summary:	Extremely powerful file compression utility
 Name:		bzip2
 Version:	1.0.6
-Release:	19
+Release:	20
 License:	BSD
 Group:		Archiving/Compression
 Url:		http://www.bzip.org/index.html
@@ -15,6 +15,7 @@ Source0:	http://www.bzip.org/%{version}/%{name}-%{version}.tar.gz
 Source1:	bzgrep
 Source2:	bzme
 Source3:	bzme.1
+Source4:	bzip2.pc
 Patch0:		bzip2-1.0.6-makefile.diff
 Patch1:		bzip2-1.0.6-CVE-2016-3189.patch
 Patch2:		CVE-2019-12900.patch
@@ -80,6 +81,7 @@ will use the bzip2 library (aka libz2).
 %endif
 /%{_lib}/libbz2.so
 %{_includedir}/*.h
+%{_libdir}/pkgconfig/*.pc
 
 #----------------------------------------------------------------------------
 
@@ -94,6 +96,9 @@ echo "LDFLAGS = %{ldflags}" >> config.in
 cp %{SOURCE1} bzgrep
 cp %{SOURCE2} bzme
 cp %{SOURCE3} bzme.1
+cp %{SOURCE4} bzip2.pc
+sed -i "s|^libdir=|libdir=%{_libdir}|" bzip2.pc
+sed -i "s|@VERSION@|%{version}|" bzip2.pc
 
 %build
 %make -f Makefile-libbz2_so
@@ -124,6 +129,9 @@ rm -f %{buildroot}%{_lib}/*.a
 mkdir -p %{buildroot}/%{_lib}
 mv -v %{buildroot}/%{_libdir}/* %{buildroot}/%{_lib}/
 
+mkdir -p %{buildroot}%{_libdir}/pkgconfig
+install -m0644 bzip2.pc %{buildroot}%{_libdir}/pkgconfig
+
 # Compatibility with Debian, Ubuntu and logics
 # https://bugzilla.rosalinux.ru/show_bug.cgi?id=9286
 # https://stackoverflow.com/a/10586169