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| author |   Bryan Hundven <bryanhundven@gmail.com> | 2015-09-15 15:05:49 (GMT) |
|---|---|---|
| committer | Bryan Hundven <bryanhundven@gmail.com> | 2015-09-15 15:05:49 (GMT) |
| commit | c2f3ec1defb49510afe42f934bd84f380e32f7a6 (patch) | |
| tree | 79aa1f6dfaa0fec8455ab2c29e5c25a0009de13a | |
| parent | e0f06d6258fc9d4988f4c15c12b24e9bc5203640 (diff) | |
| parent | 9e905afb56a162882df2472d9537f72c82c83487 (diff) | |
Merge pull request #170 from jasmin-j/newlib_target_cflags
Newlib specific target cflags
| -rw-r--r-- | config/libc/newlib.in | 14 | ||||
| -rw-r--r-- | scripts/build/libc/newlib.sh | 5 |
2 files changed, 18 insertions, 1 deletions
diff --git a/config/libc/newlib.in b/config/libc/newlib.in index f32e4b3..8351fab 100644 --- a/config/libc/newlib.in +++ b/config/libc/newlib.in @@ -144,6 +144,20 @@ config LIBC_VERSION Enter the tag you want to use. Leave empty to use the 'head' of the repository. +config LIBC_NEWLIB_TARGET_CFLAGS + string + prompt "Target CFLAGS for newlib" + default "" + help + Used to add specific options when compiling the target libraries + (eg. -ffunction-sections -fdata-sections), which can't be defined + in global TARGET_CFLAGS, because they shall be not used for the + gcc target libraries. + Note: Both TARGET_CFLAGS and LIBC_NEWLIB_TARGET_CFLAGS are used + to compile the libraries. + + Leave blank if you don't know better. + comment "Architecture specific options" config ATMEL_AVR32_HEADERS diff --git a/scripts/build/libc/newlib.sh b/scripts/build/libc/newlib.sh index 744c291..ca00a3f 100644 --- a/scripts/build/libc/newlib.sh +++ b/scripts/build/libc/newlib.sh @@ -72,6 +72,7 @@ do_libc_start_files() { do_libc() { local -a newlib_opts + local cflags_for_target CT_DoStep INFO "Installing C library" @@ -109,6 +110,8 @@ do_libc() { [ "${CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE}" = "y" ] && newlib_opts+=("--enable-target-optspace") + cflags_for_target="${CT_TARGET_CFLAGS} ${CT_LIBC_NEWLIB_TARGET_CFLAGS}" + # Note: newlib handles the build/host/target a little bit differently # than one would expect: # build : not used @@ -116,7 +119,7 @@ do_libc() { # target : the machine newlib runs on CT_DoExecLog CFG \ CC_FOR_BUILD="${CT_BUILD}-gcc" \ - CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \ + CFLAGS_FOR_TARGET="${cflags_for_target}" \ AR=${CT_TARGET}-ar \ RANLIB=${CT_TARGET}-ranlib \ "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/configure" \ |