configure:6863: checking compiler type & version configure:6890: result: clang-Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
hm, strange, this means that the "grep&sed-magic" to extract the version number does not work in this case;
in configure[.ag] we do
gcc_ver="`$CC -v 2>&1 | grep -w '[[Vv]]ersion [[0-9]]+.[[0-9]]+' | sed 's|^.*[[Vv]]ersion ([[0-9]]+(.[[0-9]]+)+).*$|\1|'`" CC_ver="clang-$gcc_ver"
and this appears to work for clang 3.3 on Linux.
Also, it work "by hand" for me:
echo 'Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)' | grep -w '[Vv]ersion [0-9]+.[0-9]+' | sed 's|^.*[Vv]ersion ([0-9]+(.[0-9]+)+).*$|\1|' 5.0
But this should not be a problem (for now), since all relevant checks only rely on whether we reconized it's clang (which we did), rather than knowing the exact clang version.
No mention of "recognized", but I did find the following:
Good, this means that out configure did "recognize" the compiler (i.e., it does not warn about not recognizing it)
configure:18985: checking whether we have pthread support configure:18992: result: yes: -pthread
This means that we indeed did recognized clang and thus set only PTHREAD_LIBS="-pthread", but not PTHREAD_INCS="-pthread". Setting PTHREAD_LIBS="-pthread" is required for clang 3.3 on Linux.
This also means that setting PTHREAD_LIBS="-pthread" is "still too much" (at least) for clang 5.0 on Mac OSX Mavericks.
Thus, we need to debug and fix the clang version number extraction (see above), and then disable both PTHREAD_INCS="-pthread" & PTHREAD_LIBS="-pthread" (only) for clang-5.0 .
Maybe someone else has any idea, which the clang version number extraction (see above) does not work for Dimitar (i.e., on Mac OSX Mavericks)?
For the time being, maybe you can try the attached patch for configure.ag ?
Stefan
On 2014-Mar-05, at 13:46 , Stefan Manegold Stefan.Manegold@cwi.nl wrote:
What does your configure output say, in particular look for "compiler type & version" and "recognized"
Stefan
----- Original Message -----
Unfortunately I still get an error even with the latest changes:
libtool: link: gcc -g -I/opt/local/include -Werror -Wall -Wextra -W -Werror-implicit-function-declaration -Wpointer-arith -Wdeclaration-after-statement -Wformat=2 -Wno-format-nonliteral -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wold-style-definition -Wpacked -Wunknown-pragmas -Wvariadic-macros -fstack-protector-all -Wstack-protector -Wmissing-include-dirs -Wunreachable-code -D_REENTRANT -o .libs/stethoscope stethoscope.o ./.libs/libmcutil.a -L/opt/local/lib ../mapilib/.libs/libmapi.dylib /Users/dnedev/monetdb/MonetDB/BUILD/common/stream/.libs/libstream.dylib ../../common/stream/.libs/libstream.dylib -lz -lbz2 -lssl -lcrypto -liconv -lcurl -latomic_ops clang: error: argument unused during compilation: '-pthread' clang: error: argument unused during compilation: '-pthread' make[5]: *** [tomograph] Error 1
On 2014-Mar-05, at 10:02 , Dimitar Nedev d.g.nedev@cwi.nl wrote:
https://en.wikipedia.org/wiki/Xcode#Toolchain_Versions
+-------+---------+-------+---------+---------+--------------+------------+---------------------------------------------+ | Xcode | cctools | ld64 | GCC 4.0 | GCC 4.2 | LLVM-GCC 4.2 | LLVM | | | Apple LLVM/ Apple Clang | +-------+---------+-------+---------+---------+--------------+------------+---------------------------------------------+ | 4.6.3 | ? | ? | - | - | 5658 | 2336.11.00 | | | 4.2 (clang-425.0.28) (based on LLVM 3.2svn) | | 5.0.0 | 846.2.1 | 224.1 | - | - | - | - | | | 5.0 (clang-500.2.75) (based on LLVM 3.3svn) | | 5.0.1 | 846.2.4 | 224.1 | - | - | - | - | | | 5.0 (clang-500.2.79) (based on LLVM 3.3svn) | | 5.0.2 | 846.2.4 | 224.1 | - | - | - | - | | | 5.0 (clang-500.2.79) (based on LLVM 3.3svn) | +-------+---------+-------+---------+---------+--------------+------------+---------------------------------------------+
On 2014-Mar-05, at 09:27 , Fabian Groffen fabian@monetdb.org wrote:
On 05-03-2014 08:25:38 +0100, Stefan Manegold wrote:
Changeset: 36afc568f849 for MonetDB URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=36afc568f849 Modified Files: configure.ag Branch: Jan2014 Log Message:
configure.ag: revised way to determine compiler type (gcc vs. clang vs. icc): in particular do not (only) rely on the result of AC_PROG_CC() (i.e., $GCC) or the name of the call; background is that on Mac OSX Mavericks, Apple prestends that their clang were gcc ...
FYI: they were pretending they had a GCC since OSX Lion.
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