ports/186189: Unable to compile boost with gcc-4.7

[Dmitry Sivachenko]

>Number:         186189
>Category:       ports
>Synopsis:       Unable to compile boost with gcc-4.7
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jan 28 11:50:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Dmitry Sivachenko
>Release:        FreeBSD 10.0-PRERELEASE amd64
>Organization:
>Environment:
FreeBSD agata 10.0-PRERELEASE FreeBSD 10.0-PRERELEASE #4 r260558M: Wed Jan 22 14:55:52 MSK 2014     root at agata:/opt/WRK/obj/opt/WRK/src/sys/CAVIA  amd64


	
>Description:
I am trying to compile boost with gcc-4.7 on FreeBSD-10.
I added USE_GCC=4.7 to Makefile.

Build fails:

###
### Using 'gcc' toolset.
###
rm -rf bootstrap
mkdir bootstrap
gcc47 -o bootstrap/jam0 command.c compile.c constants.c debug.c function.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c object.c option.c output.c parse.c pathunix.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c pwd.c class.c native.c md5.c w32_getreg.c modules/set.c modules/path.c modules/regex.c modules/property-set.c modules/sequence.c modules/order.c execunix.c fileunix.c
./bootstrap/jam0 -f build.jam --toolset=gcc --toolset-root= clean
...found 1 target...
...updating 1 target...
...updated 1 target...
./bootstrap/jam0 -f build.jam --toolset=gcc --toolset-root=
...found 50 targets...
...updating 3 targets...
[MKDIR] bin.freebsdx86_64
[COMPILE] bin.freebsdx86_64/b2
gcc: not found

    "gcc"   -o bin.freebsdx86_64/b2 "-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" "-pedantic" "-fno-strict-aliasing" "-s" "-O3" "-Wno-long-long" "command.c" "compile.c" "constants.c" "debug.c" "function.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" "object.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" "md5.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"

...failed [COMPILE] bin.freebsdx86_64/b2...
...skipped bjam for lack of b2...
...failed updating 1 target...
...skipped 1 target...


As you see, it first uses "gcc47" but then tries to use just "gcc" which is not
present on FreeBSD-10 at all.

Seems that it does not honor $CXX correctly.
>How-To-Repeat:
	
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: