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authorLaurent Bercot <ska-skaware@skarnet.org>2019-09-20 21:34:29 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2019-09-20 21:34:29 +0000
commit46981239e8dc5982e0cd5f3db90058f40ac709c2 (patch)
tree876ccb06c79b9e22a70b01bfee6704e7b19a5855 /configure
parent03f37879ef167dba6f5944716c06da81902e436e (diff)
downloadskalibs-46981239e8dc5982e0cd5f3db90058f40ac709c2.tar.xz
THAT'S IT WE HAVE EASY CROSS-COMPILATION FOLKS
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure218
1 files changed, 112 insertions, 106 deletions
diff --git a/configure b/configure
index 4c8cd92..e904652 100755
--- a/configure
+++ b/configure
@@ -27,7 +27,6 @@ Fine tuning of the installation directories:
includedir will be /usr/include and sysdepdir will be /usr/lib/$package/sysdeps.
Dependencies:
- --with-sysdeps=DIR use provided sysdeps in DIR [autodetected]
--with-include=DIR add DIR to the list of searched directories for headers
--with-lib=DIR add DIR to the list of searched directories for static libraries
--with-dynlib=DIR add DIR to the list of searched directories for shared libraries
@@ -44,6 +43,10 @@ $package options:
--enable-tai-clock assume the system clock is TAI-10 instead of UTC [disabled]
--with-default-path=PATH default executable search path [/usr/bin:/bin]
+Sysdeps autodetection override:
+ --with-sysdep-X=yes|no|value override sysdep X with the given value [autodetected]
+List of mandatory X for cross-compiling: devurandom
+
EOF
exit 0
}
@@ -71,7 +74,7 @@ EOF
}
fail () {
- echo "$*"
+ echo "$*" 1>&2
exit 1
}
@@ -126,8 +129,8 @@ tryldflag () {
iscached ()
{
- if test -n "$sysdepspre" && grep -qF "${1}: " "$sysdepspre" ; then
- v=`grep -F "${1}: " "$sysdepspre" | tail -n 1 | awk '{print $2;}'`
+ if test -r "$tmps" && grep -qF "${1}: " "$tmps" ; then
+ v=`grep -F "${1}: " "$tmps" | tail -n 1 | awk '{print $2;}'`
echo "${1}: $v" >> "$sysdeps/sysdeps"
echo " ... user-provided: $v"
return 0 ;
@@ -139,8 +142,8 @@ iscached ()
choose () {
what="$1"
name="$2"
- if iscached "$name" ; then return ; fi
echo "Checking whether system has $3..."
+ if iscached "$name" ; then return ; fi
shift 3
libs="$*"
r=true
@@ -154,9 +157,13 @@ choose () {
fi
if $r ; then
case "$what" in
- *r*) ./try$name >/dev/null 2>&1 ; r=$?
+ *r*) if test -n "$cross" ; then
+ rm -f try$name.o try$name
+ fail "$0: sysdep $name cannot be autodetected when cross-compiling. Please manually provide a value with the --with-sysdep-${name}=yes|no|... option."
+ fi
+ ./try$name >/dev/null 2>&1 ; r=$?
case "$r" in
- 111) echo " ... test crashed, aborting." ; exit 111 ;;
+ 111) fail "$0: test crashed, aborting." ;;
0) r=true ;;
*) r=false ;;
esac
@@ -242,13 +249,11 @@ EOF
fi
done
rm -f "$tmpc"
- echo "$0: error: unable to determine endianness according to $i" 1>&2
- exit 1
+ fail "$0: error: unable to determine endianness according to $i"
fi
done
rm -f "$tmpc"
- echo "$0: error: unable to determine endianness: no endian.h found" 1>&2
- exit 1
+ fail "$0: error: unable to determine endianness: no endian.h found"
}
trysigned () {
@@ -276,8 +281,7 @@ EOF
fi
done
rm -f "$tmpc"
- echo "$0: error: unable to determine the size of $t on the target" 1>&2
- exit 1
+ fail "$0: error: unable to determine the size of $t on the target"
}
trystdtype () {
@@ -348,7 +352,7 @@ libdir='$prefix/lib/$package'
includedir='$prefix/include'
datadir='$prefix/etc'
sysdepdir='$prefix/lib/$package/sysdeps'
-sysdepspre=
+sysdeplist=
shared=true
static=true
allpic=true
@@ -378,7 +382,6 @@ for arg ; do
--includedir=*) includedir=${arg#*=} ;;
--datadir=*) datadir=${arg#*=} ;;
--sysdepdir=*) sysdepdir=${arg#*=} ;;
- --with-sysdeps=*) sysdepspre=${arg#*=} ;;
--with-include=*) var=${arg#*=} ; stripdir var ; addincpath="$addincpath -I$var" ;;
--with-lib=*) var=${arg#*=} ; stripdir var ; addlibspath="$addlibspath -L$var" ; vpaths="$vpaths $var" ;;
--with-dynlib=*) var=${arg#*=} ; stripdir var ; addlibdpath="$addlibdpath -L$var" ; vpathd="$vpathd $var" ;;
@@ -401,6 +404,8 @@ for arg ; do
--disable-monotonic|--enable-monotonic=no) ;;
--with-default-path=*) defaultpath=${arg#*=} ; dpathorig=false ;;
--without-default-path) defaultpath=$ddefaultpath ; dpathorig=true ;;
+ --with-sysdep-*=*) sysdeplist="$sysdeplist ${arg#--with-sysdep-}" ;;
+ --without-sysdep-*) sysdeplist="$sysdeplist ${arg#--with-sysdep-}=no" ;;
--enable-*|--disable-*|--with-*|--without-*|--*dir=*) ;;
--host=*|--target=*) target=${arg#*=} ;;
--build=*) build=${arg#*=} ;;
@@ -439,12 +444,13 @@ while : ; do
i=$(($i+1))
tmpc="./tmp-configure-$$-$PPID-$i.c"
tmpe="./tmp-configure-$$-$PPID-$i.tmp"
+ tmps="./tmp-configure-$$-$PPID-$i.sysdeps"
2>|/dev/null > "$tmpc" && break
2>|/dev/null > "$tmpe" && break
test "$i" -gt 50 && fail "$0: cannot create temporary files"
done
set +C
-trap 'rm -f "$tmpc" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
+trap 'rm -f "$tmpc" "$tmpe" "$tmps"' EXIT ABRT INT QUIT TERM HUP
# Set slashpackage values
if $slashpackage ; then
@@ -489,7 +495,7 @@ fi
trycc ${cross}gcc
trycc ${cross}clang
trycc ${cross}cc
-test -n "$CC_AUTO" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
+test -n "$CC_AUTO" || fail "$0: cannot find a C compiler"
echo " ... $CC_AUTO"
echo "Checking whether C compiler works... "
echo "typedef int x;" > "$tmpc"
@@ -536,97 +542,97 @@ if $shared ; then
tryldflag LDFLAGS -Wl,--hash-style=both
fi
-if test -n "$sysdepspre" ; then
- if test ! -d "$sysdepspre" || test ! -f $sysdepspre/target ; then
- echo "$0: error: $sysdepspre is not a valid sysdeps directory"
- exit 1
- fi
- if [ "x$target" != "x$(cat $sysdepspre/target)" ] ; then
- echo "$0: error: target $target does not match the contents of $sysdepspre/target"
- exit 1
- fi
- echo "Using pre-computed sysdeps in $sysdepspre."
- spawn_lib=$(cat $sysdepspre/spawn.lib)
- socket_lib=$(cat $sysdepspre/socket.lib)
- sysclock_lib=$(cat $sysdepspre/sysclock.lib)
- timer_lib=$(cat $sysdepspre/timer.lib)
- util_lib=$(cat $sysdepspre/util.lib)
-else
- if test -n "$cross" ; then
- echo "$0: warning: possible cross-build attempt with a native compiler" 1>&2
- fi
- sysdeps=sysdeps.cfg
- mkdir -p $sysdeps
- echo "$target" > $sysdeps/target
- :> "$sysdeps/sysdeps"
-
- exec 3>&1
- util_lib=
- echo > $sysdeps/util.lib
-
- socket_lib=`trylibs lsock 'accessible socket functions' -lsocket -lnsl` || fail "$0: unable to determine socket.lib sysdep"
- echo "$socket_lib" > $sysdeps/socket.lib
-
- hasclock=yes
- sysclock_lib=`trylibs clockrt 'clock_gettime()' -lrt` || hasclock=no
- echo "$sysclock_lib" > $sysdeps/sysclock.lib
- echo "clockrt: $hasclock" >> $sysdeps/sysdeps
-
- choose cl clockmon CLOCK_MONOTONIC $sysclock_lib
- choose cl clockboot CLOCK_BOOTTIME $sysclock_lib
-
- hasspawn=yes
- spawn_lib=`trylibs posixspawn 'posix_spawn()' -lrt` || hasspawn=no
- echo "$spawn_lib" > $sysdeps/spawn.lib
- echo "posixspawn: $hasspawn" >> $sysdeps/sysdeps
-
- hastimer=yes
- timer_lib=`trylibs timer 'timer_create()' -lrt` || hastimer=no
- echo "$timer_lib" > $sysdeps/timer.lib
- echo "timer: $hastimer" >> $sysdeps/sysdeps
- exec 3>&-
-
- tryendianness
- trytypes
- choose cl accept4 'accept4()'
- choose c cmsgcloexec 'MSG_CMSG_CLOEXEC'
- choose cl dirfd 'dirfd()'
- choose cl eventfd 'eventfd()'
- choose cl flock 'flock()'
- choose cl getrandom 'getrandom()'
- choose cl getpeereid 'getpeereid()'
- choose cl sopeercred 'SO_PEERCRED'
- choose cl getpeerucred 'getpeerucred()'
- choose cl ipv6 'IPv6 support' $socket_lib
- choose c msgdontwait 'MSG_DONTWAIT'
- choose c odirectory 'O_DIRECTORY'
- choose cl openat 'openat()'
- choose cl linkat 'linkat()'
- choose cl memmem 'memmem()'
- choose cl pipe2 'pipe2()'
- choose cl ppoll 'ppoll()'
- choose cl revoke 'revoke()'
- choose cl sendfile 'sendfile()'
- choose cl setgroups 'setgroups()'
- choose cl settimeofday 'settimeofday()'
- choose cl signalfd 'signalfd()'
- choose cl splice 'splice()'
- choose cl strcasestr 'strcasestr()'
- choose c strnlen 'strnlen()'
- choose c uint64t 'uint64_t'
- choose cl futimens 'futimens()'
- choose cl futimes 'futimes()'
- choose cl arc4random 'arc4random()'
- choose cl arc4random_addrandom 'arc4random_addrandom()'
- choose cl itimer 'setitimer()'
- choose cl namespaces 'namespaces'
- choose cl nsgetparent 'NS_GET_PARENT'
- choose cl explicit_bzero 'explicit_bzero()'
-
- choose clr devurandom '/dev/urandom'
-
+rm -f "$tmps"
+if test -n "$sysdeplist" ; then
+ :> "$tmps"
+ for i in $sysdeplist ; do
+ k=${i%%=*}
+ v=${i#*=}
+ if test "$v" = "true" ; then v=yes
+ elif test "$v" = "false" ; then v=no
+ fi
+ if grep -qF -e "${k}: " "$tmps" ; then
+ grep -vF -e "${k}: " "$tmps" > "$tmpe"
+ mv -f "$tmpe" "$tmps"
+ fi
+ echo "${k}: $v" >> "$tmps"
+ done
fi
+sysdeps=sysdeps.cfg
+mkdir -p $sysdeps
+echo "$target" > $sysdeps/target
+:> "$sysdeps/sysdeps"
+
+exec 3>&1
+util_lib=
+echo > $sysdeps/util.lib
+
+socket_lib=`trylibs lsock 'accessible socket functions' -lsocket -lnsl` || fail "$0: unable to determine socket.lib sysdep"
+echo "$socket_lib" > $sysdeps/socket.lib
+
+hasclock=yes
+sysclock_lib=`trylibs clockrt 'clock_gettime()' -lrt` || hasclock=no
+echo "$sysclock_lib" > $sysdeps/sysclock.lib
+echo "clockrt: $hasclock" >> $sysdeps/sysdeps
+
+choose cl clockmon CLOCK_MONOTONIC $sysclock_lib
+choose cl clockboot CLOCK_BOOTTIME $sysclock_lib
+
+hasspawn=yes
+spawn_lib=`trylibs posixspawn 'posix_spawn()' -lrt` || hasspawn=no
+echo "$spawn_lib" > $sysdeps/spawn.lib
+echo "posixspawn: $hasspawn" >> $sysdeps/sysdeps
+
+hastimer=yes
+timer_lib=`trylibs timer 'timer_create()' -lrt` || hastimer=no
+echo "$timer_lib" > $sysdeps/timer.lib
+echo "timer: $hastimer" >> $sysdeps/sysdeps
+exec 3>&-
+
+tryendianness
+trytypes
+choose cl accept4 'accept4()'
+choose c cmsgcloexec 'MSG_CMSG_CLOEXEC'
+choose cl dirfd 'dirfd()'
+choose cl eventfd 'eventfd()'
+choose cl flock 'flock()'
+choose cl getrandom 'getrandom()'
+choose cl getpeereid 'getpeereid()'
+choose cl sopeercred 'SO_PEERCRED'
+choose cl getpeerucred 'getpeerucred()'
+choose cl ipv6 'IPv6 support' $socket_lib
+choose c msgdontwait 'MSG_DONTWAIT'
+choose c odirectory 'O_DIRECTORY'
+choose cl openat 'openat()'
+choose cl linkat 'linkat()'
+choose cl memmem 'memmem()'
+choose cl pipe2 'pipe2()'
+choose cl ppoll 'ppoll()'
+choose cl revoke 'revoke()'
+choose cl sendfile 'sendfile()'
+choose cl setgroups 'setgroups()'
+choose cl settimeofday 'settimeofday()'
+choose cl signalfd 'signalfd()'
+choose cl splice 'splice()'
+choose cl strcasestr 'strcasestr()'
+choose c strnlen 'strnlen()'
+choose c uint64t 'uint64_t'
+choose cl futimens 'futimens()'
+choose cl futimes 'futimes()'
+choose cl arc4random 'arc4random()'
+choose cl arc4random_addrandom 'arc4random_addrandom()'
+choose cl itimer 'setitimer()'
+choose cl namespaces 'namespaces'
+choose cl nsgetparent 'NS_GET_PARENT'
+choose cl explicit_bzero 'explicit_bzero()'
+
+# And here are the evil irreducible sysdeps.
+
+choose clr devurandom '/dev/urandom'
+
+
+rm -f "$tmps"
echo "Creating config.mak..."
cmdline=$(quote "$0")
for i ; do cmdline="$cmdline $(quote "$i")" ; done