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bug#5603: 23.1.90; value of CPP not used in configure script
From: |
Peter Dyballa |
Subject: |
bug#5603: 23.1.90; value of CPP not used in configure script |
Date: |
Fri, 19 Feb 2010 12:34:40 +0100 |
Hello!
Trying to use the LLVM variant of GCC like this:
env PATH=/Developer/usr/bin:/sw/bin:$PATH ./configure --without-sound
--without-dbus --without-pop --with-ns --disable-ns-self-contained --x-
libraries=/usr/X11/libs --x-includes=/usr/X11/include/X11 --enable-
locallisppath=/Library/Application\ Support/Emacs/calendar23:/Library/
Application\ Support/Emacs CC=llvm-gcc-4.2 CPP=llvm-cpp-4.2
or like this
env PATH=/Developer/usr/bin:/sw/bin:$PATH CC=llvm-gcc-4.2 CPP=llvm-
cpp-4.2 ./configure --without-sound --without-dbus --without-pop --
with-ns --disable-ns-self-contained --x-libraries=/usr/X11/libs --x-
includes=/usr/X11/include/X11 --enable-locallisppath=/Library/
Application\ Support/Emacs/calendar23:/Library/Application\ Support/
Emacs
configure just finds:
checking build system type... powerpc-apple-darwin9.8.0
checking host system type... powerpc-apple-darwin9.8.0
checking for gcc... llvm-gcc-4.2
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether llvm-gcc-4.2 accepts -g... yes
checking for llvm-gcc-4.2 option to accept ISO C89... none needed
checking how to run the C preprocessor... llvm-gcc-4.2 -E -no-cpp-
precomp -I/sw/include -L/sw/lib
or:
+ CC='llvm-gcc-4.2 -I/sw/include -L/sw/lib'
+ test xyes = x
+ ac_ext=c
+ ac_cpp='$CPP $CPPFLAGS'
+ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS
conftest.$ac_ext $LIBS >&5'
+ ac_compiler_gnu=yes
+ printf '%s\n' 'configure:4004: checking how to run the C
preprocessor'
+ printf %s 'checking how to run the C preprocessor... '
checking how to run the C preprocessor... + test -n 'llvm-gcc-4.2 -E -
no-cpp-precomp -I/sw/include -L/sw/lib'
+ test -d 'llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/include -L/sw/lib'
+ test -z 'llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/include -L/sw/lib'
+ ac_cv_prog_CPP='llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/include -L/sw/
lib'
+ printf '%s\n' 'configure:4122: result: llvm-gcc-4.2 -E -no-cpp-
precomp -I/sw/include -L/sw/lib'
+ printf '%s\n' 'llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/include -L/sw/
lib'
llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/include -L/sw/lib
+ ac_preproc_ok=false
+ for ac_c_preproc_warn_flag in ''\'''\''' yes
+ cat
+ cat confdefs.h
+ cat
+ ac_try='$CPP $CPPFLAGS conftest.c'
+ case "(($ac_try" in
+ ac_try_echo='$CPP $CPPFLAGS conftest.c'
+ eval 'ac_try_echo="$as_me:4151: $CPP $CPPFLAGS conftest.c"'
++ ac_try_echo='configure:4151: llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/
include -L/sw/lib conftest.c'
+ printf '%s\n' 'configure:4151: llvm-gcc-4.2 -E -no-cpp-precomp -I/
sw/include -L/sw/lib conftest.c'
+ ac_status=0
+ grep -v '^ *+' conftest.er1
+ rm -f conftest.er1
+ cat conftest.err
+ printf '%s\n' 'configure:4158: $? = 0'
+ exit 0
+ test -z ''
+ :
+ rm -f conftest.err conftest.c
+ cat
+ cat confdefs.h
+ cat
+ ac_try='$CPP $CPPFLAGS conftest.c'
+ case "(($ac_try" in
+ ac_try_echo='$CPP $CPPFLAGS conftest.c'
+ eval 'ac_try_echo="$as_me:4189: $CPP $CPPFLAGS conftest.c"'
++ ac_try_echo='configure:4189: llvm-gcc-4.2 -E -no-cpp-precomp -I/sw/
include -L/sw/lib conftest.c'
+ printf '%s\n' 'configure:4189: llvm-gcc-4.2 -E -no-cpp-precomp -I/
sw/include -L/sw/lib conftest.c'
+ ac_status=1
+ grep -v '^ *+' conftest.er1
+ rm -f conftest.er1
+ cat conftest.err
+ printf '%s\n' 'configure:4196: $? = 1'
+ exit 1
+ printf '%s\n' 'configure: failed program was:'
+ sed 's/^/| /' conftest.c
+ ac_preproc_ok=:
+ break
+ rm -f conftest.err conftest.c
+ :
+ :
+ ac_ext=c
+ ac_cpp='$CPP $CPPFLAGS'
+ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS
conftest.$ac_ext $LIBS >&5'
+ ac_compiler_gnu=yes
There is also the question whether the option "-no-cpp-precomp" really
is necessary on Mac OS X 10.5 or 10.6. The version of GCC 4.2 LLVM
uses does not recognise this option:
powerpc-apple-darwin9-llvm-gcc-4.2: unrecognized option '-no-cpp-
precomp'
In GNU Emacs 23.1.90.1 (powerpc-apple-darwin9.8.0, X toolkit, Xaw3d
scroll bars)
of 2010-02-18 on Latsche.local
Windowing system distributor `The X.Org Foundation', version
11.0.10799901
configured using `configure '--without-sound' '--without-pop' '--
without-dbus' '--without-gconf' '--with-x-toolkit=athena' '--enable-
locallisppath=/Library/Application Support/Emacs/calendar23:/Library/
Application Support/Emacs' 'CFLAGS=-g -Wno-pointer-sign -H -pipe -fPIC
-Os' 'CC=gcc-4.2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: de_DE.UTF-8
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: de_DE.UTF-8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Calendar
Minor modes in effect:
shell-dirtrack-mode: t
diff-auto-refine-mode: t
show-paren-mode: t
display-time-mode: t
desktop-save-mode: t
delete-selection-mode: t
tooltip-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
global-auto-composition-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
--
Greetings
Pete
If it should exist, it doesn't.
– Arnold's First Law of Documentation
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