diff options
Diffstat (limited to 'U/ccflags.U')
| -rw-r--r-- | U/ccflags.U | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/U/ccflags.U b/U/ccflags.U new file mode 100644 index 0000000000..e9e33042e2 --- /dev/null +++ b/U/ccflags.U @@ -0,0 +1,241 @@ +?X: These units are based on the ones supplied with dist-3.0 +?X: patchlevel 22. They have been changed or enhanced to work with +?X: perl5alpha. I would appreciate hearing about any changes, +?X: corrections, or enhancements. +?X: Andy Dougherty doughera@lafcol.lafayette.edu +?X: Dept. of Physics +?X: Lafayette College +?X: Easton, PA 18042-1782 +?X: Sat Apr 2 15:45:17 EST 1994 +?RCS: $Id: ccflags.U,v 3.0.1.3 1993/09/13 15:58:29 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: ccflags.U,v $ +?RCS: Revision 3.0.1.3 1993/09/13 15:58:29 ram +?RCS: patch10: explicitely mention -DDEBUG just in case they need it (WAD) +?RCS: patch10: removed all the "tans" variable usage (WAD) +?RCS: +?RCS: Revision 3.0.1.2 1993/08/27 14:39:38 ram +?RCS: patch7: added support for OSF/1 machines +?RCS: +?RCS: Revision 3.0.1.1 1993/08/25 14:00:24 ram +?RCS: patch6: added defaults for cppflags, ccflags and ldflags +?RCS: +?RCS: Revision 3.0 1993/08/18 12:05:31 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:ccflags ldflags lkflags cppflags optimize: test cat Myread Guess \ + Oldconfig cc gccversion mips_type +usrinc package contains +?MAKE: -pick add $@ %< +?S:ccflags: +?S: This variable contains any additional C compiler flags desired by +?S: the user. It is up to the Makefile to use this. +?S:. +?S:cppflags: +?S: This variable holds the flags that will be passed to the C pre- +?S: processor. It is up to the Makefile to use it. +?S:. +?S:optimize: +?S: This variable contains any optimizer/debugger flag that should be used. +?S: It is up to the Makefile to use it. +?S:. +?S:ldflags: +?S: This variable contains any additional C loader flags desired by +?S: the user. It is up to the Makefile to use this. +?S:. +?S:lkflags: +?S: This variable contains any additional C partial linker flags desired by +?S: the user. It is up to the Makefile to use this. +?S:. +?T:inctest thisincl xxx flag inclwanted +?D:cppflags='' +?D:ccflags='' +?D:ldflags='' +?INIT:: no include file wanted by default +?INIT:inclwanted='' +?INIT: +: determine optimize, if desired, or use for debug flag also +case "$optimize" in +' ') dflt="none";; +'') dflt="-g";; +*) dflt="$optimize";; +esac +$cat <<EOH + +Some C compilers have problems with their optimizers, by default, $package +compiles with the -O flag to use the optimizer. Alternately, you might want +to use the symbolic debugger, which uses the -g flag (on traditional Unix +systems). Either flag can be specified here. To use neither flag, specify +the word "none". + +EOH +rp="What optimizer/debugger flag should be used?" +. ./myread +optimize="$ans" +case "$optimize" in +'none') optimize=" ";; +esac + +case "$ccflags" in +'') case "$cc" in + *gcc*) if $test "$gccversion" = "1"; then + dflt='-fpcc-struct-return' + fi ;; + *) dflt='';; + esac + case "$optimize" in + *-g*) dflt="$dflt -DDEBUGGING";; + esac +?X: check for POSIXized ISC + case "$cc" in + *gcc*) if test -d /etc/conf/kconfig.d && + $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1 + then + dflt="$dflt -posix" + fi + ;; + esac + ;; +*) dflt="$ccflags" ;; +esac + +?X: In USG mode, a MIPS system may need some BSD includes +case "$mips_type" in +*BSD*) ;; +'') ;; +*) inclwanted="$inclwanted $usrinc/bsd";; +esac +for thisincl in $inclwanted; do + if $test -d $thisincl; then + if $test x$thisincl != x$usrinc; then + case "$dflt" in + *$thisincl*);; + *) dflt="$dflt -I$thisincl";; + esac + fi + fi +done + +?X: Include test function (header, symbol) +inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then + xxx=true; +elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then + xxx=true; +else + xxx=false; +fi; +if $xxx; then + case "$dflt" in + *$2*);; + *) dflt="$dflt -D$2";; + esac; +fi' + +?X: +?X: SCO unix uses NO_PROTOTYPE instead of _NO_PROTO +?X: OSF/1 uses __LANGUAGE_C__ instead of LANGUAGE_C +?X: +if ./osf1; then + set signal.h __LANGUAGE_C__; eval $inctest +else + set signal.h LANGUAGE_C; eval $inctest +fi +set signal.h NO_PROTOTYPE; eval $inctest +set signal.h _NO_PROTO; eval $inctest + +case "$dflt" in +'') dflt=none;; +esac +$cat <<EOH + +Your C compiler may want other flags. For this question you should include +-I/whatever and -DWHATEVER flags and any other flags used by the C compiler, +but you should NOT include libraries or ld flags like -lwhatever. If you +want $package to honor its debug switch, you should include -DDEBUGGING here. +To use no flags, specify the word "none". + +Your C compiler might also need additional flags, such as -DJMPCLOBBER +or -DCRIPPLED_CC. +EOH +?X: strip leading space +set X $dflt +shift +dflt=${1+"$@"} +rp="Any additional cc flags?" +. ./myread +case "$ans" in +none) ccflags='';; +*) ccflags="$ans";; +esac + +: the following weeds options from ccflags that are of no interest to cpp +cppflags="$ccflags" +case "$cc" in +*gcc*) if $test "$gccversion" = "1"; then + cppflags="$cppflags -D__GNUC__" + fi ;; +esac +case "$mips_type" in +'');; +*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";; +esac +case "$cppflags" in +'');; +*) set X $cppflags + cppflags='' + for flag + do + case $flag in + -D*|-I*|-traditional|-ansi|-nostdinc) cppflags="$cppflags $flag";; + esac + done + case "$cppflags" in + *-*) echo "(C preprocessor flags: $cppflags)";; + esac + ;; +esac + +: flags used in final linking phase +case "$ldflags" in +'') if venix; then + dflt='-i -z' + else + dflt='none' + fi + ;; +*) dflt="$ldflags";; +esac +echo " " +rp="Any additional ld flags (NOT including libraries)?" +. ./myread +case "$ans" in +none) ldflags='';; +*) ldflags="$ans";; +esac +rmlist="$rmlist pdp11" + +@if lkflags +: partial linking may need other flags +case "$lkflags" in +'') case "$ldflags" in + '') dflt='none';; + *) dflt="$ldflags";; + esac;; +*) dflt="$lkflags";; +esac +echo " " +rp="Partial linking flags to be used (NOT including -r)?" +. ./myread +case "$ans" in +none) lkflags='';; +*) lkflags="$ans";; +esac + +@end |