updates #2577.
For the lm32_evr BSP variant without this option sample executables
sizes were as follows:
text data bss dec hex filename
195764 6892 13077 215733 34ab5 ticker.exe
84212 2264 9169 95645 1759d minimum.exe
1077108 82852 26293 1186253 1219cd fileio.exe
763500 56340 44493 864333 d304d pppd.exe
344948 22148 15977 383073 5d861 capture.exe
211876 8472 13169 233517 3902d nsecs.exe
330020 18636 13685 362341 58765 paranoia.exe
185956 6452 13053 205461 32295 base_sp.exe
194516 6656 16893 218065 353d1 unlimited.exe
202164 5400 13013 220577 35da1 hello.exe
474728 23220 20389 518337 7e8c1 loopback.exe
For the lm32_evr BSP variant with this option sample executables
sizes were as follows:
text data bss dec hex filename
186388 6792 13045 206225 32591 ticker.exe
53140 1124 9137 63401 f7a9 minimum.exe
1049556 80336 26045 1155937 11a361 fileio.exe
685632 55056 43757 784445 bf83d pppd.exe
323588 21400 15953 360941 581ed capture.exe
203540 8352 13137 225029 36f05 nsecs.exe
316612 18512 13653 348777 55269 paranoia.exe
172724 6352 13021 192097 2ee61 base_sp.exe
176708 6528 16837 200073 30d89 unlimited.exe
182900 5260 13021 201181 311dd hello.exe
436064 22840 20293 479197 74fdd loopback.exe
---
c/src/lib/libbsp/lm32/lm32_evr/make/custom/lm32_evr.cfg | 3 +++
1 file changed, 3 insertions(+)
diff --git a/c/src/lib/libbsp/lm32/lm32_evr/make/custom/lm32_evr.cfg
b/c/src/lib/libbsp/lm32/lm32_evr/make/custom/lm32_evr.cfg
index c1951d0..c26a628 100644
--- a/c/src/lib/libbsp/lm32/lm32_evr/make/custom/lm32_evr.cfg
+++ b/c/src/lib/libbsp/lm32/lm32_evr/make/custom/lm32_evr.cfg
@@ -19,6 +19,9 @@ CPU_CFLAGS =
# optimize flag: typically -O2
# ATM, doesn't work with optimization levels > 0
CFLAGS_OPTIMIZE_V = -O0 -g
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
define bsp-post-link
$(OBJCOPY) -O binary --strip-all $(basename $@)$(EXEEXT) \
--
1.8.3.1
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