updates #2577.

For the mcp750 BSP variant without this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 188997   29656   48361  267014   41306 ticker.exe
 150693   26116   44681  221490   36132 minimum.exe
 939941  217971   55585 1213497  128439 cxx_iostream.exe
 585125   98042   61033  744200   b5b08 fileio.exe
 506445   72164   76829  655438   a004e pppd.exe
 253397   40224   50409  344030   53fde capture.exe
 208597   31236   48437  288270   4660e nsecs.exe
 218981   42028   48961  309970   4bad2 paranoia.exe
 275605   47856   48585  372046   5ad4e cdtest.exe
 186309   29488   48329  264126   407be base_sp.exe
 188517   30424   52105  271046   422c6 unlimited.exe
 174725   28324   48257  251306   3d5aa hello.exe
 342601   41628   55433  439662   6b56e loopback.exe

For the mcp750 BSP variant with this option sample executables sizes
were as follows:

   text    data     bss           dec             hex   filename
 159345   19612   48329  227286   377d6 ticker.exe
 120417   15516   44649  180582   2c166 minimum.exe
 596905   50686   54737  702328   ab778 cxx_iostream.exe
 551185   88466   60745  700396   aafec fileio.exe
 453101   61848   76093  591042   904c2 pppd.exe
 228033   32444   50381  310858   4be4a capture.exe
 179585   21168   48405  249158   3cd46 nsecs.exe
 188785   31176   48933  268894   41a5e paranoia.exe
 249561   28688   48553  326802   4fc92 cdtest.exe
 156401   19444   48297  224142   36b8e base_sp.exe
 156977   19592   52073  228642   37d22 unlimited.exe
 142929   17544   48225  208698   32f3a hello.exe
 302045   33328   55321  390694   5f626 loopback.exe

For the mtx603e BSP variant without this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 189317   29640   48361  267318   41436 ticker.exe
 150997   26104   44681  221782   36256 minimum.exe
 940581  214151   55585 1210317  1277cd cxx_iostream.exe
 585317   98026   61033  744376   b5bb8 fileio.exe
 506893   72148   76829  655870   a01fe pppd.exe
 253813   40208   50409  344430   5416e capture.exe
 208917   31220   48437  288574   4673e nsecs.exe
 219301   42012   48961  310274   4bc02 paranoia.exe
 276021   47700   48585  372306   5ae52 cdtest.exe
 186629   29472   48329  264430   408ee base_sp.exe
 188837   30408   52105  271350   423f6 unlimited.exe
 175045   28312   48257  251614   3d6de hello.exe
 342953   41612   55433  439998   6b6be loopback.exe

For the mtx603e BSP variant with this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 159345   19612   48329  227286   377d6 ticker.exe
 120385   15516   44649  180550   2c146 minimum.exe
 597097   50686   54737  702520   ab838 cxx_iostream.exe
 551121   88466   60745  700332   aafac fileio.exe
 453197   61848   76093  591138   90522 pppd.exe
 228097   32444   50381  310922   4be8a capture.exe
 179569   21168   48405  249142   3cd36 nsecs.exe
 188785   31176   48933  268894   41a5e paranoia.exe
 249625   28688   48553  326866   4fcd2 cdtest.exe
 156369   19444   48297  224110   36b6e base_sp.exe
 156945   19592   52073  228610   37d02 unlimited.exe
 142929   17544   48225  208698   32f3a hello.exe
 302109   33328   55321  390758   5f666 loopback.exe

For the mvme2100 BSP variant without this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 185285   24424   48361  258070   3f016 ticker.exe
 146997   20880   44681  212558   33e4e minimum.exe
 936549  208935   55585 1201069  1253ad cxx_iostream.exe
 581285   92810   61033  735128   b3798 fileio.exe
 502861   66932   76829  646622   9ddde pppd.exe
 249781   34984   50409  335174   51d46 capture.exe
 204917   26004   48437  279358   4433e nsecs.exe
 215269   36788   48961  301018   497da paranoia.exe
 271989   42484   48585  363058   58a32 cdtest.exe
 182597   24256   48329  255182   3e4ce base_sp.exe
 184805   25192   52105  262102   3ffd6 unlimited.exe
 171045   23088   48257  242390   3b2d6 hello.exe
 338953   36388   55433  430774   692b6 loopback.exe

For the mvme2100 BSP variant with this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 154449   18328   48329  221106   35fb2 ticker.exe
 115521   14232   44649  174402   2a942 minimum.exe
 592201   49402   54737  696340   aa014 cxx_iostream.exe
 546225   87182   60745  694152   a9788 fileio.exe
 448301   60564   76093  584958   8ecfe pppd.exe
 223201   31160   50349  304710   4a646 capture.exe
 174673   19884   48405  242962   3b512 nsecs.exe
 183889   29892   48933  262714   4023a paranoia.exe
 244729   27404   48553  320686   4e4ae cdtest.exe
 151473   18160   48297  217930   3534a base_sp.exe
 152049   18308   52073  222430   364de unlimited.exe
 138033   16260   48225  202518   31716 hello.exe
 297213   32044   55321  384578   5de42 loopback.exe

For the mvme2307 BSP variant without this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 189781   29656   48361  267798   41616 ticker.exe
 151221   26124   44681  222026   3634a minimum.exe
 941701  214035   55585 1211321  127bb9 cxx_iostream.exe
 586821   98050   61033  745904   b61b0 fileio.exe
 509309   72164   76829  658302   a0b7e pppd.exe
 254341   40232   50409  344982   54396 capture.exe
 209493   31236   48437  289166   4698e nsecs.exe
 219765   42036   48961  310762   4bdea paranoia.exe
 276869   47700   48585  373154   5b1a2 cdtest.exe
 187061   29488   48329  264878   40aae base_sp.exe
 189269   30432   52105  271806   425be unlimited.exe
 175477   28324   48257  252058   3d89a hello.exe
 343593   41628   55433  440654   6b94e loopback.exe

For the mvme2307 BSP variant with this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 159921   19612   48329  227862   37a16 ticker.exe
 120801   15516   44649  180966   2c2e6 minimum.exe
 598393   50694   54737  703824   abd50 cxx_iostream.exe
 552721   88466   60745  701932   ab5ec fileio.exe
 455709   61848   76093  593650   90ef2 pppd.exe
 228817   32444   50381  311642   4c15a capture.exe
 180257   21176   48405  249838   3cfee nsecs.exe
 189361   31184   48933  269478   41ca6 paranoia.exe
 250665   28688   48553  327906   500e2 cdtest.exe
 156945   19444   48297  224686   36dae base_sp.exe
 157521   19592   52073  229186   37f42 unlimited.exe
 143473   17552   48225  209250   33162 hello.exe
 302877   33328   55321  391526   5f966 loopback.exe

For the qemuprep-altivec BSP variant without this option sample
executables sizes were as follows:

   text    data     bss           dec             hex   filename
 188533   25288   47629  261450   3fd4a ticker.exe
 150149   21740   43981  215870   34b3e minimum.exe
 940373  213899   54853 1209125  127325 cxx_iostream.exe
 585013   93674   60333  739020   b46cc fileio.exe
 506173   67796   76129  650098   9eb72 pppd.exe
 252965   35848   49677  338490   52a3a capture.exe
 208133   26868   47705  282706   45052 nsecs.exe
 218517   37652   48261  304430   4a52e paranoia.exe
 276165   43792   47853  367810   59cc2 cdtest.exe
 185845   25120   47597  258562   3f202 base_sp.exe
 188053   26056   51373  265482   40d0a unlimited.exe
 174261   23948   47525  245734   3bfe6 hello.exe
 342233   37252   54701  434186   6a00a loopback.exe

For the qemuprep-altivec BSP variant with this option sample
executables sizes were as follows:

   text    data     bss           dec             hex   filename
 161089   21244   47597  229930   3822a ticker.exe
 122225   17908   43917  184050   2cef2 minimum.exe
 595689   50718   54005  700412   aaffc cxx_iostream.exe
 548433   87634   60009  696076   a9f0c fileio.exe
 450029   61016   75357  586402   8f2a2 pppd.exe
 224961   31612   49645  306218   4ac2a capture.exe
 181329   22808   47673  251810   3d7a2 nsecs.exe
 190561   33576   48201  272338   427d2 paranoia.exe
 249593   31072   47821  328486   50326 cdtest.exe
 158145   21076   47565  226786   375e2 base_sp.exe
 158753   21984   51341  232078   38a8e unlimited.exe
 144705   19944   47493  212142   33cae hello.exe
 298941   32496   54585  386022   5e3e6 loopback.exe

For the qemuprep BSP variant without this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 186453   24912   47621  258986   3f3aa ticker.exe
 147829   21372   43973  213174   340b6 minimum.exe
 937413  213207   54845 1205465  1264d9 cxx_iostream.exe
 583237   93306   60325  736868   b3e64 fileio.exe
 505885   67420   76121  649426   9e8d2 pppd.exe
 250949   35480   49669  336098   520e2 capture.exe
 206037   26492   47697  280226   446a2 nsecs.exe
 216469   37284   48253  302006   49bb6 paranoia.exe
 273061   43104   47845  364010   58dea cdtest.exe
 183733   24744   47589  256066   3e842 base_sp.exe
 185941   25688   51365  262994   40352 unlimited.exe
 172149   23572   47517  243238   3b626 hello.exe
 340201   36876   54693  431770   6969a loopback.exe

For the qemuprep BSP variant with this option sample executables
sizes were as follows:

   text    data     bss           dec             hex   filename
 153841   18412   47585  219838   35abe ticker.exe
 114625   14308   43905  172838   2a326 minimum.exe
 591417   49486   53993  694896   a9a70 cxx_iostream.exe
 546353   87266   60001  693620   a9574 fileio.exe
 449469   60648   75349  585466   8eefa pppd.exe
 222641   31244   49637  303522   4a1a2 capture.exe
 174049   19968   47661  241678   3b00e nsecs.exe
 183313   29976   48189  261478   3fd66 paranoia.exe
 244073   27488   47809  319370   4df8a cdtest.exe
 150865   18244   47553  216662   34e56 base_sp.exe
 151409   18384   51329  221122   35fc2 unlimited.exe
 137361   16344   47481  201186   311e2 hello.exe
 296733   32128   54577  383438   5d9ce loopback.exe
---
 c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mcp750.cfg   | 5 ++++-
 c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mtx603e.cfg  | 5 ++++-
 c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2100.cfg | 5 ++++-
 c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2307.cfg | 7 +++++--
 .../powerpc/motorola_powerpc/make/custom/qemuprep-altivec.cfg      | 5 ++++-
 c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep.cfg | 5 ++++-
 6 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mcp750.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mcp750.cfg
index 8ff97b3..98e8fd9 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mcp750.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mcp750.cfg
@@ -8,12 +8,15 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc750
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 #
 CPU_CFLAGS = -mcpu=750 -Dmpc750
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g -mmultiple -mstring -mstrict-align
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 define bsp-post-link
        $(default-bsp-post-link)
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mtx603e.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mtx603e.cfg
index 6c7f597..aa91b05 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mtx603e.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mtx603e.cfg
@@ -8,11 +8,14 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc6xx
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 CPU_CFLAGS = -mcpu=603e -Dppc603e
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g -mmultiple -mstring -mstrict-align
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 define bsp-post-link
        $(default-bsp-post-link)
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2100.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2100.cfg
index d724b5d..dadb275 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2100.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2100.cfg
@@ -8,11 +8,14 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc8240
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 CPU_CFLAGS = -mcpu=603e -Dppc603e
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g -mmultiple -mstring -mstrict-align
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 define bsp-post-link
        $(default-bsp-post-link)
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2307.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2307.cfg
index ee00561..cf2ab28 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2307.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/mvme2307.cfg
@@ -8,12 +8,15 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc604
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 #
-CPU_CFLAGS = -mcpu=604 -mmultiple -mstring -mstrict-align -meabi 
+CPU_CFLAGS = -mcpu=604 -mmultiple -mstring -mstrict-align -meabi
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 define bsp-post-link
        $(default-bsp-post-link)
diff --git 
a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep-altivec.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep-altivec.cfg
index 1dd1744..87fbb25 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep-altivec.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep-altivec.cfg
@@ -8,12 +8,15 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc7400
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 #
 CPU_CFLAGS = -mcpu=7400 -mmultiple -mstring -mstrict-align -D__ppc_generic
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 ifdef PURE_BINARY
 define bsp-post-link
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep.cfg 
b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep.cfg
index e5f11fc..36df4af 100644
--- a/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep.cfg
+++ b/c/src/lib/libbsp/powerpc/motorola_powerpc/make/custom/qemuprep.cfg
@@ -8,12 +8,15 @@ RTEMS_CPU=powerpc
 RTEMS_CPU_MODEL=mpc604
 
 #  This contains the compiler options necessary to select the CPU model
-#  and (hopefully) optimize for it. 
+#  and (hopefully) optimize for it.
 #
 CPU_CFLAGS = -mcpu=powerpc -mmultiple -mstring -mstrict-align -D__ppc_generic
 
 # optimize flag: typically -O2
 CFLAGS_OPTIMIZE_V = -O2 -g
+CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections
+
+LDFLAGS = -Wl,--gc-sections
 
 ifdef PURE_BINARY
 define bsp-post-link
-- 
1.8.3.1

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