diff options
Diffstat (limited to 'scripts/build/debug')
| -rw-r--r-- | scripts/build/debug/300-gdb.sh | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/scripts/build/debug/300-gdb.sh b/scripts/build/debug/300-gdb.sh index 33968360..ba135911 100644 --- a/scripts/build/debug/300-gdb.sh +++ b/scripts/build/debug/300-gdb.sh @@ -68,12 +68,19 @@ do_debug_gdb_build() { cd "${CT_BUILD_DIR}/build-gdb-cross" cross_extra_config=("${extra_config[@]}") - cross_extra_config+=("--with-expat") + + # For gdb-cross this combination of flags forces + # gdb configure to fall back to default '-lexpat' flag + # which is acceptable. + # # NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!! # It conflicts with a static build: GDB's configure script will find the shared # version of expat and will attempt to link that, despite the -static flag. # The link will fail, and configure will abort with "expat missing or unusable" # message. + cross_extra_config+=("--with-expat") + cross_extra_config+=("--without-libexpat-prefix") + case "${CT_THREADS}" in none) cross_extra_config+=("--disable-threads");; *) cross_extra_config+=("--enable-threads");; @@ -172,12 +179,24 @@ do_debug_gdb_build() { native_extra_config+=("--with-curses") fi - native_extra_config+=("--with-expat") + # Target libexpat resides in sysroot and does not have + # any dependencies, so just passing '-lexpat' to gcc is enough. + # + # By default gdb configure looks for expat in '$prefix/lib' + # directory. In our case '$prefix/lib' resolves to '/usr/lib' + # where libexpat for build platform lives, which is + # unacceptable for cross-compiling. + # + # To prevent this '--without-libexpat-prefix' flag must be passed. + # Thus configure falls back to '-lexpat', which is exactly what we want. + # # NOTE: DO NOT USE --with-libexpat-prefix (until GDB configure is smarter)!!! # It conflicts with a static build: GDB's configure script will find the shared # version of expat and will attempt to link that, despite the -static flag. # The link will fail, and configure will abort with "expat missing or unusable" # message. + native_extra_config+=("--with-expat") + native_extra_config+=("--without-libexpat-prefix") CT_DoLog EXTRA "Configuring native gdb" |