Всем привет.

[builder@hasher pkgconfig]$ cat vlc-plugin.pc 
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib
includedir=/usr/include

Name: VLC plugin API
Description: VLC media player plugin interface
Version: 0.9.0-test1
Cflags: -I${includedir} -I${includedir}/vlc/plugins \
    -D_FILE_OFFSET_BITS=64 \
    -D__USE_UNIX98 \
    -D_LARGEFILE64_SOURCE \
     \
    -D_REENTRANT \
    -D_THREAD_SAFE
Libs: -L${libdir} -lvlccore

builder@hasher pkgconfig]$ RPM_BUILD_ROOT="/usr/src/RPM/BUILD/vlc-0.9.0" sh
-exuf /usr/lib/rpm/fixup-pkgconfig vlc-plugin.pc
...
...
...
+ subst -p 's|^Cflags: .*|Cflags: -I${includedir}/vlc/plugins \|g' -- vlc-plugin.pc
subst: sed: -e expression #1, char 53: unterminated `s' command
subst: fork
+ return 1


С точки зрения pkg-config конструкция в Cflags вполне валидна.

Запатчить fixup-pkgconfig у меня не хватит душевных сил :(

-- 
The first half of our lives is ruined by our parents and the second half
by our children.
		-- Clarence Darrow