https://llvm.org/bugs/show_bug.cgi?id=27160
Bug ID: 27160
Summary: Clang 3.7 and 3.8: `undefined reference to
(non-existent procedure)` error in C code
Product: clang
Version: unspecified
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: release blocker
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: afis...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
FreeBSD 10.2-RELEASE
project: PostgreSQL
How to reproduce an issue:
CC=/usr/local/bin/clang38 CFLAGS="-O0 -g" LDFLAGS="-lelf" ./configure
--enable-cassert --enable-debug --enable-dtrace && gmake clean && gmake -j2 -s
Ignore `passing 'const char *' to parameter of type 'char *' discards
qualifiers` warnings - it's an 8-years old bug in DTrace.
The actual problem is that build fails with following errors:
```
/usr/home/eax/postgresql-src/src/backend/access/transam/xact.c:501: undefined
reference to `bort'
access/transam/xact.o: In function `CommandCounterIncrement':
/usr/home/eax/postgresql-src/src/backend/access/transam/xact.c:935: undefined
reference to `bort'
/usr/home/eax/postgresql-src/src/backend/access/transam/xact.c:941: undefined
reference to `bort'
access/transam/xact.o: In function `StartTransactionCommand':
/usr/home/eax/postgresql-src/src/backend/access/transam/xact.c:2708: undefined
reference to `bort'
access/transam/xact.o: In function `CommitTransactionCommand':
/usr/home/eax/postgresql-src/src/backend/access/transam/xact.c:2739: undefined
reference to `bort'
```
There is no such procedure or variable in the whole project. My guess is that
it is "abort" without an "a".
Same issue reproduces with CLang 3.7. Same project compiles just find by GCC
4.9 and CLang 3.4.
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