diff options
| author |   Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2011-10-05 01:19:51 (GMT) |
|---|---|---|
| committer |   Michael Hope <michael.hope@linaro.org> | 2011-10-05 01:19:51 (GMT) |
| commit | 04da3418caa214af2c486e6a731cd70489ef8f14 (patch) | |
| tree | 51aa271e7ea89ab28ebc162b1acdb5e6dc2e01a9 | |
| parent | 4ddbf5c7dcbc6392f196d744d07cb94b584d01ce (diff) | |
scripts: support extra host compiler flags
Allow the user to configure extra flags to pass to the host compiler
at build time. Applies to both C and C++.
Useful on Ubuntu to turn off the stack protector and fortify defaults
so the program stands a better chance of running on other distros.
Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: put the custom flags at the end]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
| -rw-r--r-- | config/global/build-behave.in | 10 | ||||
| -rw-r--r-- | scripts/crosstool-NG.sh.in | 3 |
2 files changed, 12 insertions, 1 deletions
diff --git a/config/global/build-behave.in b/config/global/build-behave.in index 7092a7f..fae9917 100644 --- a/config/global/build-behave.in +++ b/config/global/build-behave.in @@ -41,6 +41,16 @@ config USE_PIPES Use gcc's option -pipe to use pipes rather than temp files when building the toolchain. +config EXTRA_FLAGS_FOR_HOST + string + prompt "Extra host compiler flags" + default "" + help + Extra flags to pass to the host C and C++ compiler. + + May be used to change the default features of the host + compiler such as turning off the stack protector or fortify. + choice bool prompt "Shell to use as CONFIG_SHELL" diff --git a/scripts/crosstool-NG.sh.in b/scripts/crosstool-NG.sh.in index 6b6aa0e..4499f71 100644 --- a/scripts/crosstool-NG.sh.in +++ b/scripts/crosstool-NG.sh.in @@ -476,7 +476,8 @@ if [ -z "${CT_RESTART}" ]; then # Help gcc CT_CFLAGS_FOR_HOST= - [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST="${CT_CFLAGS_FOR_HOST} -pipe" + [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST+=" -pipe" + CT_CFLAGS_FOR_HOST+="${CT_EXTRA_FLAGS_FOR_HOST}" # Override the configured jobs with what's been given on the command line [ -n "${CT_JOBS}" ] && CT_PARALLEL_JOBS="${CT_JOBS}" |