From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 23 Jun 2015 19:32:38 +0000 (+0200)
Subject: build-sys: make sure check-api-docs sees each symbol just once
X-Git-Tag: v222~80^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b7b85f227c72681e4369d7368bda787be0ef3fa0;p=thirdparty%2Fsystemd.git

build-sys: make sure check-api-docs sees each symbol just once

Given that some symbols are exposed by multiple libraries (due to the
compatibility libraries), let's ensure "make check-api-docs" only shows
each symbol once by filtering out duplicates.
---

diff --git a/Makefile.am b/Makefile.am
index 936e4edd810..2d81d2908ee 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6322,7 +6322,7 @@ exported-%: %
 	$(AM_V_GEN)$(NM) -g --defined-only $(builddir)/.libs/$(<:.la=.so) 2>&1 /dev/null | grep " T " | cut -d" " -f3 > $@
 
 exported: $(addprefix exported-, $(lib_LTLIBRARIES))
-	$(AM_V_GEN)cat $^ > $@
+	$(AM_V_GEN)sort -u $^ > $@
 
 .PHONY: check-api-docs
 check-api-docs: exported man