Bug 546668 – app-shells/ksh: doesn't respect CC

• Product: Gentoo Linux
• Status: RESOLVED INVALID

[Description SpanKY 2015-04-15 02:39:35 UTC]

if you run:
# CC=gcc-4.9.2 emerge ksh

it still uses `cc`:

>>> Emerging (1 of 1) app-shells/ksh-93.20140625::gentoo
 * INIT.2014-06-25.tgz SHA256 SHA512 WHIRLPOOL size ;-) ...       [ ok ]
 * ast-base.2014-06-25.tgz SHA256 SHA512 WHIRLPOOL size ;-) ...   [ ok ]
>>> Unpacking source...
>>> Unpacking INIT.2014-06-25.tgz to /var/tmp/portage/app-shells/ksh-93.20140625/work
>>> Unpacking ast-base.2014-06-25.tgz to /var/tmp/portage/app-shells/ksh-93.20140625/work
>>> Source unpacked in /var/tmp/portage/app-shells/ksh-93.20140625/work
>>> Preparing source in /var/tmp/portage/app-shells/ksh-93.20140625/work ...
 * Applying ksh-prefix.patch ...                                  [ ok ]
 * Adjusting to prefix /
 *   msg.c ...                                                    [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-shells/ksh-93.20140625/work ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-shells/ksh-93.20140625/work ...
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/bin/execrate
package: initialize the /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386 view
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/lib/probe/C/make/probe
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/bin/mamake
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/bin/proto
../../lib/libpp/ppproto.c: In function 'proto_error':
../../lib/libpp/ppproto.c:315:2: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
proto.c: In function 'main':
proto.c:582:5: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result]
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/bin/ratz
package: update /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/bin/release
package: make /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/bin/nmake with mamake
package: make output captured in /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386/lib/package/gen/make.out
package: make start at Tue Apr 14 22:30:53 EDT 2015 in /var/tmp/portage/app-shells/ksh-93.20140625/work/arch/linux.i386
CC=cc
SHELL=sh
HOSTTYPE=linux.i386
NPROC=4
PACKAGEROOT=/var/tmp/portage/app-shells/ksh-93.20140625/work

and later on, the build is full of lines like:
+ cc -D_BLD_DLL -fPIC -D_BLD_ast -O2 -march=amdfam10 -pipe -g -frecord-gcc-switches -Wimplicit-function-declaration -I. -I/var/tmp/portage/app-shells/ksh-93.20140625/work/src/lib/libast -Icomp -I/var/tmp/portage/app-shells/ksh-93.20140625/work/src/lib/libast/comp -Iinclude -I/var/tmp/portage/app-shells/ksh-93.20140625/work/src/lib/libast/include -Istd -I/var/tmp/portage/app-shells/ksh-93.20140625/work/src/lib/libast/std -D_PACKAGE_ast -c /var/tmp/portage/app-shells/ksh-93.20140625/work/src/lib/libast/misc/signal.c

[Comment 1 Mike Gilbert 2015-04-15 20:05:00 UTC]

The build system saves ${CC} in a shell script called ${S}/bin/cc. It then adds ${S}/bin to the front of PATH.