[Bug 1496223] Re: squid3 FTBFS due to linux-libc-dev and libc6-dev headers mismatch

[Tiago Stürmer Daitx]

** Attachment removed: "debdiff to fix libecap dependency and logical-not-parentheses warning"
   https://bugs.launchpad.net/ubuntu/+source/squid3/+bug/1496223/+attachment/4465698/+files/squid3_3.3.8-1ubuntu16-FTBFS.debdiff

** Description changed:

- Note: currently squid3 fails due to libecap3-dev dependency, this is
- easily fixed by going back to libecap2-dev (only squid 3.5+ will build
- with libecap3-dev [1]).
- 
- After libecap2-dev dependency fix, squid then fails due to "logical-not-
- parentheses".
- 
- g++ -DHAVE_CONFIG_H  -I../.. -I../../include -I../../lib -I../../src -I../../include  -isystem /usr
- /include/mit-krb5 -isystem /usr/include/mit-krb5  -I.  -I/usr/include/libxml2 -D_FORTIFY_SOURCE=2 -
- isystem /usr/include/mit-krb5 -isystem /usr/include/mit-krb5 -I/usr/include/libxml2 -Wall -Wpointer
- -arith -Wwrite-strings -Wcomments -Werror -pipe -D_REENTRANT -m64 -g -O2 -fPIE -fstack-protector-st
- rong -Wformat -Werror=format-security -std=c++0x -c -o lru/store_repl_lru.o lru/store_repl_lru.cc
- heap/store_repl_heap.cc: In function 'StoreEntry* heap_purgeNext(RemovalPurgeWalker*)':
- heap/store_repl_heap.cc:224:36: error: logical not is only applied to the left hand side of compari
- son [-Werror=logical-not-parentheses]
-      if (!heap_nodes(heap->theHeap) > 0)
-                                     ^
- 
- Fixing that, it then fails due to mismatching headers between linux-
- libc-dev_4.2.0-10.11 and libc6-dev_2.21-0ubuntu4.
+ With the fix at LP: #1496924 applied, squid3 fails due to mismatching
+ headers between linux-libc-dev_4.2.0-10.11 and libc6-dev_2.21-0ubuntu4.
  
  In file included from /usr/include/linux/netfilter.h:7:0,
-                  from /usr/include/linux/netfilter_ipv4.h:8,
-                  from Intercept.cc:99:
+                  from /usr/include/linux/netfilter_ipv4.h:8,
+                  from Intercept.cc:99:
  /usr/include/linux/in.h:28:16: error: redeclaration of 'IPPROTO_IP'
-    IPPROTO_IP = 0,  /* Dummy protocol for TCP  */
-                 ^
+    IPPROTO_IP = 0,  /* Dummy protocol for TCP  */
+                 ^
  In file included from /usr/include/arpa/inet.h:22:0,
-                  from ../../include/util.h:42,
-                  from ../../include/Array.h:39,
-                  from ../../src/comm/forward.h:4,
-                  from ../../src/comm/Connection.h:40,
-                  from Intercept.cc:34:
+                  from ../../include/util.h:42,
+                  from ../../include/Array.h:39,
+                  from ../../src/comm/forward.h:4,
+                  from ../../src/comm/Connection.h:40,
+                  from Intercept.cc:34:
  /usr/include/netinet/in.h:42:5: note: previous declaration '<anonymous enum> IPPROTO_IP'
-      IPPROTO_IP = 0,    /* Dummy protocol for TCP.  */
-      ^
+      IPPROTO_IP = 0,    /* Dummy protocol for TCP.  */
+      ^
  In file included from /usr/include/linux/netfilter.h:7:0,
-                  from /usr/include/linux/netfilter_ipv4.h:8,
-                  from Intercept.cc:99:
+                  from /usr/include/linux/netfilter_ipv4.h:8,
+                  from Intercept.cc:99:
  /usr/include/linux/in.h:30:18: error: redeclaration of 'IPPROTO_ICMP'
-    IPPROTO_ICMP = 1,  /* Internet Control Message Protocol */
-                   ^
+    IPPROTO_ICMP = 1,  /* Internet Control Message Protocol */
+                   ^
  In file included from /usr/include/arpa/inet.h:22:0,
-                  from ../../include/util.h:42,
-                  from ../../include/Array.h:39,
-                  from ../../src/comm/forward.h:4,
-                  from ../../src/comm/Connection.h:40,
-                  from Intercept.cc:34:
+                  from ../../include/util.h:42,
+                  from ../../include/Array.h:39,
+                  from ../../src/comm/forward.h:4,
+                  from ../../src/comm/Connection.h:40,
+                  from Intercept.cc:34:
  /usr/include/netinet/in.h:44:5: note: previous declaration '<anonymous enum> IPPROTO_ICMP'
-      IPPROTO_ICMP = 1,    /* Internet Control Message Protocol.  */
-      ^
+      IPPROTO_ICMP = 1,    /* Internet Control Message Protocol.  */
+      ^
  <snip>
  
  Tried to ignore "#include linux/netfilter.h" in src/ip/Intercept.cc:99
  to no avail as build fails later on due to missing "SO_ORIGINAL_DST" in
  Intercept.cc. Removing arpa and netinet header inclusions also lead to
  eventual build failures due to missing symbols.
  
  So far I have found no way to have squid linking solely to either the
  kernel or libc without disabling netfilter altogether.
- 
- [1] http://wiki.squid-
- cache.org/ConfigExamples/ContentAdaptation/eCAP#Build_eCAP_library

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https://bugs.launchpad.net/bugs/1496223

Title:
  squid3 FTBFS due to linux-libc-dev and libc6-dev headers mismatch

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