URL:
<https://savannah.gnu.org/support/?110269>
Summary: AC_PROG_LEX failing
Project: Autoconf
Submitted by: None
Submitted on: Wed 15 Jul 2020 04:04:43 PM UTC
Category: None
Priority: 5 - Normal
Severity: 3 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email: [email protected]
Open/Closed: Open
Discussion Lock: Any
Operating System: None
_______________________________________________________
Details:
Both Flex and gdbm use AC_PROG_LEX and fail the same way with autoconf
2.70beta but worked with 2.69.
| checking for flex... flex
| checking for lex output file root... lex.yy
| checking for lex library... not found
| configure: error: required lex library not found
The config.log shows it trying a few options:
configure:12442: checking for lex library
configure:12457: aarch64-poky-linux-gcc -fstack-protector-strong
-D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security
--sysroot=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot
-o conftest -O2 -pipe -g -feliminate-unused-debug-types
-fmacro-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot=
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot-native=
-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-z,relro,-z,now conftest.c
>&5
/usr/src/debug/flex/2.6.4-r0/build/conftest.l:17: undefined reference to
`yywrap'
configure:12457: aarch64-poky-linux-gcc -fstack-protector-strong
-D_FORTIFY_SOURCE=2 -Wformat -Wformat-security
-Werror=format-security
--sysroot=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot
-
o conftest -O2 -pipe -g -feliminate-unused-debug-types
-fmacro-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-
poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/home/ross/Yocto/bui
ld/tmp/work/armv8a-poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/
home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot=
-fdebug-prefix
-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot-native=
-Wl,-O1 -Wl,--hash-s
tyle=gnu -Wl,--as-needed -Wl,-z,relro,-z,now conftest.c -lfl >&5
/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/.
./../libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/10.1.0/ld: cannot find
-lfl
configure:12457: aarch64-poky-linux-gcc -fstack-protector-strong
-D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security
--sysroot=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot
-o conftest -O2 -pipe -g -feliminate-unused-debug-types
-fmacro-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0=/usr/src/debug/flex/2.6.4-r0
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot=
-fdebug-prefix-map=/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot-native=
-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -Wl,-z,relro,-z,now conftest.c
-ll >&5
/home/ross/Yocto/build/tmp/work/armv8a-poky-linux/flex/2.6.4-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/../../libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/10.1.0/ld:
cannot find -ll
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