[Boost-bugs] [Boost C++ Libraries] #3630: building bjam with custom CFLAGS fails if $CFLAGS contains extra white space

Subject: [Boost-bugs] [Boost C++ Libraries] #3630: building bjam with custom CFLAGS fails if $CFLAGS contains extra white space
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2009-11-17 15:02:43

#3630: building bjam with custom CFLAGS fails if $CFLAGS contains extra white
space
----------------------------------------------------+-----------------------
 Reporter:  Sebastian Mingramm <s.mingramm@…>       |       Owner:         
     Type:  Bugs                                    |      Status:  new    
Milestone:  Boost 1.41.0                            |   Component:  None   
  Version:  Boost 1.40.0                            |    Severity:  Problem
 Keywords:                                          |  
----------------------------------------------------+-----------------------
 Steps to reproduce:

 cd boost_1_41_1_beta1/tools/jam/src/[[BR]]
 export CFLAGS="-O2  -pipe"[[BR]]
 export CC="x86_64-pc-linux-gnu-gcc"[[BR]]
 ./build.sh cc[[BR]]

 Output:[[BR]]
 [...][[BR]]
 [COMPILE] bin.linuxx86_64/bjam[[BR]]
 x86_64-pc-linux-gnu-gcc: : No such file or directory[[BR]]
 expand.c: In function 'var_expand':[[BR]]
 expand.c:85: warning: field precision should have type 'int', but argument
 2 has type 'long int'[[BR]]
 variable.c: In function 'var_string_to_file':[[BR]]
 variable.c:408: warning: ignoring return value of 'fwrite', declared with
 attribute warn_unused_result[[BR]]
 variable.c:409: warning: ignoring return value of 'fwrite', declared with
 attribute warn_unused_result[[BR]]

     "x86_64-pc-linux-gnu-gcc"   -o bin.linuxx86_64/bjam "-DNDEBUG"
 "-DOPT_HEADER_CACHE_EXT" "-DOPT_GRAPH_DEBUG_EXT" "-DOPT_SEMAPHORE"
 "-DOPT_AT_FILES" "-DOPT_DEBUG_PROFILE" "-DOPT_FIX_TARGET_VARIABLES_EXT"
 "-DOPT_IMPROVED_PATIENCE_EXT" "-DYYSTACKSIZE=5000" "-O2" "" "-pipe" "-s"
 "-O"  "command.c" "compile.c" "debug.c" "expand.c" "glob.c" "hash.c"
 "hcache.c" "headers.c" "hdrmacro.c" "jam.c" "jambase.c" "jamgram.c"
 "lists.c" "make.c" "make1.c" "mem.c" "newstr.c" "option.c" "output.c"
 "parse.c" "regexp.c" "rules.c" "scan.c" "search.c" "subst.c"
 "w32_getreg.c" "timestamp.c" "variable.c" "modules.c" "strings.c"
 "filesys.c" "builtins.c" "pwd.c" "class.c" "native.c" "modules/set.c"
 "modules/path.c" "modules/regex.c" "modules/property-set.c"
 "modules/sequence.c" "modules/order.c" "execunix.c" "fileunix.c"
 "pathunix.c"[[BR]]

 ...failed [COMPILE] bin.linuxx86_64/bjam...[[BR]]
 ...failed updating 1 target...[[BR]]

 What happens is that the extra white space gets converted into a "", which
 gcc doesn't like. There are bug reports on the gentoo bugzilla for boost
 1.35 [1], 1.39, 1.40 and it's present in 1.41.0_beta1. It was also
 reported that the problem occurs with LDFLAGS [1, comment 27].[[BR]]

 [1] https://bugs.gentoo.org/show_bug.cgi?id=265402

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/3630>
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