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1998-03-23  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* configure.in: Correct test for compiler version.
	Check that LD_LIBRARY_PATH doesn't contain current path.
This commit is contained in:
Ulrich Drepper 1998-03-23 12:30:14 +00:00
parent 789b13c4e8
commit 3911660e42
3 changed files with 117 additions and 45 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
1998-03-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* configure.in: Correct test for compiler version.
Check that LD_LIBRARY_PATH doesn't contain current path.
1998-03-23 07:52 H.J. Lu <hjl@gnu.org>
* elf/dl-close.c (_dl_close): Fix byte count while removing

130
configure vendored
View File

@ -1681,10 +1681,52 @@ fi
fi
# check for recent compiler
echo $ac_n "checking compiler version""... $ac_c" 1>&6
echo "configure:1687: checking compiler version" >&5
case `${CC-cc} -v 2>&1` in
*egcs-2.91.* | *egcs-1.0.2-9* | *egcs-1.1* | *2.8.1-9* | *2.9.0-9 )
cc_is_recent="ok"
;;
*)
cc_is_recent="too old"
;;
esac
echo "$ac_t""$cc_is_recent" 1>&6
if test "$cc_is_recent" != "ok"; then
echo "configure: warning:
*** Your compiler is too old.
*** You need at least egcs 1.0.2 or GNU CC 2.8.1 to compile glibc.
" 1>&2
fi
+
# Test if LD_LIBRARY_PATH contains the notation for the current directory
# since this would lead to problems installing/building glibc.
# LD_LIBRARY_PATH contains the current directory if one of the following
# is true:
# - one of the terminals (":" and ";") is the first or last sign
# - two terminals occur directly after each other
# - the path contains an element with a dot in it
echo $ac_n "checking LD_LIBRARY_PATH variable""... $ac_c" 1>&6
echo "configure:1712: checking LD_LIBRARY_PATH variable" >&5
case ${LD_LIBRARY_PATH} in
[:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
ld_library_path_setting="contains current path"
;;
*)
ld_library_path_setting="ok"
;;
esac
echo "$ac_t""$ld_library_path_setting" 1>&6
if test "$ld_library_path_setting" != "ok"; then
{ echo "configure: error: *** LD_LIBRARY_PATH shouldn't contain the current path when building glibc.
*** Please change the environment variable and run configure again." 1>&2; exit 1; }
fi
# Extract the first word of "bash", so it can be a program name with args.
set dummy bash; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1688: checking for $ac_word" >&5
echo "configure:1730: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_BASH'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1726,7 +1768,7 @@ if test "$BASH" = no; then
# Extract the first word of "ksh", so it can be a program name with args.
set dummy ksh; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1730: checking for $ac_word" >&5
echo "configure:1772: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_KSH'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1772,7 +1814,7 @@ do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1776: checking for $ac_word" >&5
echo "configure:1818: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1807,7 +1849,7 @@ test -n "$PERL" || PERL="no"
echo $ac_n "checking for signed size_t type""... $ac_c" 1>&6
echo "configure:1811: checking for signed size_t type" >&5
echo "configure:1853: checking for signed size_t type" >&5
if eval "test \"`echo '$''{'libc_cv_signed_size_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1831,12 +1873,12 @@ EOF
fi
echo $ac_n "checking for libc-friendly stddef.h""... $ac_c" 1>&6
echo "configure:1835: checking for libc-friendly stddef.h" >&5
echo "configure:1877: checking for libc-friendly stddef.h" >&5
if eval "test \"`echo '$''{'libc_cv_friendly_stddef'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1840 "configure"
#line 1882 "configure"
#include "confdefs.h"
#define __need_size_t
#define __need_wchar_t
@ -1851,7 +1893,7 @@ size_t size; wchar_t wchar;
if (&size == NULL || &wchar == NULL) abort ();
; return 0; }
EOF
if { (eval echo configure:1855: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1897: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libc_cv_friendly_stddef=yes
else
@ -1870,7 +1912,7 @@ override stddef.h = # The installed <stddef.h> seems to be libc-friendly."
fi
echo $ac_n "checking whether we need to use -P to assemble .S files""... $ac_c" 1>&6
echo "configure:1874: checking whether we need to use -P to assemble .S files" >&5
echo "configure:1916: checking whether we need to use -P to assemble .S files" >&5
if eval "test \"`echo '$''{'libc_cv_need_minus_P'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1901,7 +1943,7 @@ if test $ac_cv_prog_gcc = yes; then
# We must check this even if -pipe is not given here, because the user
# might do `make CFLAGS=-pipe'.
echo $ac_n "checking for gcc 2.7.x -pipe bug""... $ac_c" 1>&6
echo "configure:1905: checking for gcc 2.7.x -pipe bug" >&5
echo "configure:1947: checking for gcc 2.7.x -pipe bug" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_pipe_bug'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1930,7 +1972,7 @@ else
fi
echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&6
echo "configure:1934: checking for assembler global-symbol directive" >&5
echo "configure:1976: checking for assembler global-symbol directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1960,7 +2002,7 @@ EOF
fi
echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&6
echo "configure:1964: checking for .set assembler directive" >&5
echo "configure:2006: checking for .set assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -1994,7 +2036,7 @@ EOF
fi
echo $ac_n "checking for .symver assembler directive""... $ac_c" 1>&6
echo "configure:1998: checking for .symver assembler directive" >&5
echo "configure:2040: checking for .symver assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_symver_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2013,7 +2055,7 @@ fi
echo "$ac_t""$libc_cv_asm_symver_directive" 1>&6
echo $ac_n "checking for ld --version-script""... $ac_c" 1>&6
echo "configure:2017: checking for ld --version-script" >&5
echo "configure:2059: checking for ld --version-script" >&5
if eval "test \"`echo '$''{'libc_cv_ld_version_script_option'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2036,7 +2078,7 @@ EOF
if { ac_try='${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
-nostartfiles -nostdlib
-Wl,--version-script,conftest.map
1>&5'; { (eval echo configure:2040: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
1>&5'; { (eval echo configure:2082: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
then
libc_cv_ld_version_script_option=yes
else
@ -2074,7 +2116,7 @@ if test $VERSIONING = no; then
fi
if test $elf = yes; then
echo $ac_n "checking for .previous assembler directive""... $ac_c" 1>&6
echo "configure:2078: checking for .previous assembler directive" >&5
echo "configure:2120: checking for .previous assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_previous_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2082,7 +2124,7 @@ else
.section foo_section
.previous
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2086: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2128: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_asm_previous_directive=yes
else
libc_cv_asm_previous_directive=no
@ -2098,7 +2140,7 @@ EOF
else
echo $ac_n "checking for .popsection assembler directive""... $ac_c" 1>&6
echo "configure:2102: checking for .popsection assembler directive" >&5
echo "configure:2144: checking for .popsection assembler directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_popsection_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2106,7 +2148,7 @@ else
.pushsection foo_section
.popsection
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2110: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2152: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_asm_popsection_directive=yes
else
libc_cv_asm_popsection_directive=no
@ -2126,12 +2168,12 @@ fi
if test $elf != yes; then
echo $ac_n "checking for .init and .fini sections""... $ac_c" 1>&6
echo "configure:2130: checking for .init and .fini sections" >&5
echo "configure:2172: checking for .init and .fini sections" >&5
if eval "test \"`echo '$''{'libc_cv_have_initfini'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2135 "configure"
#line 2177 "configure"
#include "confdefs.h"
int main() {
@ -2140,7 +2182,7 @@ asm (".section .init");
asm (".text");
; return 0; }
EOF
if { (eval echo configure:2144: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2186: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
libc_cv_have_initfini=yes
else
@ -2168,19 +2210,19 @@ if test $elf = yes; then
else
if test $ac_cv_prog_cc_works = yes; then
echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
echo "configure:2172: checking for _ prefix on C symbol names" >&5
echo "configure:2214: checking for _ prefix on C symbol names" >&5
if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2177 "configure"
#line 2219 "configure"
#include "confdefs.h"
asm ("_glibc_foobar:");
int main() {
glibc_foobar ();
; return 0; }
EOF
if { (eval echo configure:2184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:2226: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
libc_cv_asm_underscores=yes
else
@ -2195,17 +2237,17 @@ fi
echo "$ac_t""$libc_cv_asm_underscores" 1>&6
else
echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
echo "configure:2199: checking for _ prefix on C symbol names" >&5
echo "configure:2241: checking for _ prefix on C symbol names" >&5
if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 2204 "configure"
#line 2246 "configure"
#include "confdefs.h"
void underscore_test(void) {
return; }
EOF
if { (eval echo configure:2209: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2251: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if grep _underscore_test conftest* >/dev/null; then
rm -f conftest*
libc_cv_asm_underscores=yes
@ -2237,7 +2279,7 @@ if test $elf = yes; then
fi
echo $ac_n "checking for assembler .weak directive""... $ac_c" 1>&6
echo "configure:2241: checking for assembler .weak directive" >&5
echo "configure:2283: checking for assembler .weak directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_weak_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2260,7 +2302,7 @@ echo "$ac_t""$libc_cv_asm_weak_directive" 1>&6
if test $libc_cv_asm_weak_directive = no; then
echo $ac_n "checking for assembler .weakext directive""... $ac_c" 1>&6
echo "configure:2264: checking for assembler .weakext directive" >&5
echo "configure:2306: checking for assembler .weakext directive" >&5
if eval "test \"`echo '$''{'libc_cv_asm_weakext_directive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2298,7 +2340,7 @@ EOF
fi
echo $ac_n "checking for ld --no-whole-archive""... $ac_c" 1>&6
echo "configure:2302: checking for ld --no-whole-archive" >&5
echo "configure:2344: checking for ld --no-whole-archive" >&5
if eval "test \"`echo '$''{'libc_cv_ld_no_whole_archive'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2309,7 +2351,7 @@ __throw () {}
EOF
if { ac_try='${CC-cc} $CFLAGS
-nostdlib -nostartfiles -Wl,--no-whole-archive
-o conftest conftest.c 1>&5'; { (eval echo configure:2313: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
-o conftest conftest.c 1>&5'; { (eval echo configure:2355: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_ld_no_whole_archive=yes
else
libc_cv_ld_no_whole_archive=no
@ -2320,7 +2362,7 @@ fi
echo "$ac_t""$libc_cv_ld_no_whole_archive" 1>&6
echo $ac_n "checking for gcc -fno-exceptions""... $ac_c" 1>&6
echo "configure:2324: checking for gcc -fno-exceptions" >&5
echo "configure:2366: checking for gcc -fno-exceptions" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_no_exceptions'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2331,7 +2373,7 @@ __throw () {}
EOF
if { ac_try='${CC-cc} $CFLAGS
-nostdlib -nostartfiles -fno-exceptions
-o conftest conftest.c 1>&5'; { (eval echo configure:2335: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
-o conftest conftest.c 1>&5'; { (eval echo configure:2377: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_gcc_no_exceptions=yes
else
libc_cv_gcc_no_exceptions=no
@ -2343,14 +2385,14 @@ echo "$ac_t""$libc_cv_gcc_no_exceptions" 1>&6
if test "$base_machine" = alpha ; then
echo $ac_n "checking for function ..ng prefix""... $ac_c" 1>&6
echo "configure:2347: checking for function ..ng prefix" >&5
echo "configure:2389: checking for function ..ng prefix" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_alpha_ng_prefix'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.c <<\EOF
foo () { }
EOF
if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:2354: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:2396: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
then
libc_cv_gcc_alpha_ng_prefix=yes
else
@ -2374,12 +2416,12 @@ fi
fi
echo $ac_n "checking for DWARF2 unwind info support""... $ac_c" 1>&6
echo "configure:2378: checking for DWARF2 unwind info support" >&5
echo "configure:2420: checking for DWARF2 unwind info support" >&5
if eval "test \"`echo '$''{'libc_cv_gcc_dwarf2_unwind_info'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.c <<EOF
#line 2383 "configure"
#line 2425 "configure"
static char __EH_FRAME_BEGIN__;
_start ()
{
@ -2406,7 +2448,7 @@ __bzero () {}
EOF
if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame_info
-nostdlib -nostartfiles
-o conftest conftest.c -lgcc >&5'; { (eval echo configure:2410: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
-o conftest conftest.c -lgcc >&5'; { (eval echo configure:2452: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_gcc_dwarf2_unwind_info=static
else
libc_cv_gcc_dwarf2_unwind_info=no
@ -2414,7 +2456,7 @@ fi
if test $libc_cv_gcc_dwarf2_unwind_info = no; then
if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame
-nostdlib -nostartfiles
-o conftest conftest.c -lgcc >&5'; { (eval echo configure:2418: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
-o conftest conftest.c -lgcc >&5'; { (eval echo configure:2460: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
libc_cv_gcc_dwarf2_unwind_info=yes
else
libc_cv_gcc_dwarf2_unwind_info=no
@ -2485,7 +2527,7 @@ if test "$uname" = "sysdeps/generic"; then
fi
echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
echo "configure:2489: checking OS release for uname" >&5
echo "configure:2531: checking OS release for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2507,7 +2549,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6
uname_release="$libc_cv_uname_release"
echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
echo "configure:2511: checking OS version for uname" >&5
echo "configure:2553: checking OS version for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
@ -2529,7 +2571,7 @@ else
fi
echo $ac_n "checking stdio selection""... $ac_c" 1>&6
echo "configure:2533: checking stdio selection" >&5
echo "configure:2575: checking stdio selection" >&5
case $stdio in
libio) cat >> confdefs.h <<\EOF
@ -2541,7 +2583,7 @@ esac
echo "$ac_t""$stdio" 1>&6
echo $ac_n "checking ldap selection""... $ac_c" 1>&6
echo "configure:2545: checking ldap selection" >&5
echo "configure:2587: checking ldap selection" >&5
case $add_ons in
*ldap*)
@ -2603,7 +2645,7 @@ if test $static = no && test $shared = yes; then
fi
echo $ac_n "checking whether -fPIC is default""... $ac_c" 1>&6
echo "configure:2607: checking whether -fPIC is default" >&5
echo "configure:2649: checking whether -fPIC is default" >&5
if eval "test \"`echo '$''{'pic_default'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else

27
configure.in
View File

@ -479,12 +479,37 @@ case `${CC-cc} -v 2>&1` in
;;
esac
AC_MSG_RESULT($cc_is_recent)
if test $cc_is_recent != ok; then
if test "$cc_is_recent" != "ok"; then
AC_MSG_WARN([
*** Your compiler is too old.
*** You need at least egcs 1.0.2 or GNU CC 2.8.1 to compile glibc.
])
fi
+
# Test if LD_LIBRARY_PATH contains the notation for the current directory
# since this would lead to problems installing/building glibc.
# LD_LIBRARY_PATH contains the current directory if one of the following
# is true:
# - one of the terminals (":" and ";") is the first or last sign
# - two terminals occur directly after each other
# - the path contains an element with a dot in it
AC_MSG_CHECKING(LD_LIBRARY_PATH variable)
changequote(,)dnl
case ${LD_LIBRARY_PATH} in
[:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
ld_library_path_setting="contains current path"
;;
*)
ld_library_path_setting="ok"
;;
esac
changequote([,])dnl
AC_MSG_RESULT($ld_library_path_setting)
if test "$ld_library_path_setting" != "ok"; then
AC_MSG_ERROR(
*** LD_LIBRARY_PATH shouldn't contain the current path when building glibc.
*** Please change the environment variable and run configure again.)
fi
AC_PATH_PROG(BASH, bash, no)
if test "$BASH" != no &&