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<div><span></span>I do not know, and I just comment the check function in configure.ac. </div><div>And another error comes up... still working on it...</div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>Best wishes,</div><div>xuelin.tian@qkmtech.com</div></div></span></div>
<blockquote style="margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em;"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:chrisj@rtems.org">Chris Johns</a></div><div><b>Date:</b> 2017-07-25 10:02</div><div><b>To:</b> <a href="mailto:xuelin.tian@qkmtech.com">xuelin.tian@qkmtech.com</a>; <a href="mailto:russ.haley@gmail.com">Russell Haley</a>; <a href="mailto:joel@rtems.org">Joel Sherrill</a></div><div><b>CC:</b> <a href="mailto:users@rtems.org">users@rtems.org</a></div><div><b>Subject:</b> Re: Has anyone tried to port Mono to RTEMS</div></div></div><div><div>On 25/07/2017 11:53, xuelin.tian@qkmtech.com wrote:</div>
<div>> This is the config log, https://pastebin.com/Nc4EQy7D </div>
<div>> You can start from Line 11218.</div>
<div>> </div>
<div>> And the check function from configure.ac is shown below:</div>
<div>> dnl ********************************</div>
<div>> dnl *** Checks for timezone stuff **</div>
<div>> dnl ********************************</div>
<div>> AC_CACHE_CHECK(for tm_gmtoff in struct tm, ac_cv_struct_tm_gmtoff,</div>
<div>> AC_TRY_COMPILE([</div>
<div>> #include <time.h></div>
<div>> ], [</div>
<div>> struct tm tm;</div>
<div>> tm.tm_gmtoff = 1;</div>
<div>> ], ac_cv_struct_tm_gmtoff=yes, ac_cv_struct_tm_gmtoff=no))</div>
<div>> if test $ac_cv_struct_tm_gmtoff = yes; then</div>
<div>> AC_DEFINE(HAVE_TM_GMTOFF, 1, [Have tm_gmtoff])</div>
<div>> else</div>
<div>> AC_CACHE_CHECK(for timezone variable, ac_cv_var_timezone,</div>
<div>> AC_TRY_COMPILE([</div>
<div>> #include <time.h></div>
<div>> ], [</div>
<div>> timezone = 1;</div>
<div>> ], ac_cv_var_timezone=yes, ac_cv_var_timezone=no))</div>
<div>> if test $ac_cv_var_timezone = yes; then</div>
<div>> AC_DEFINE(HAVE_TIMEZONE, 1, [Have timezone variable])</div>
<div>> else</div>
<div>> AC_ERROR(unable to find a way to determine timezone)</div>
<div>> fi</div>
<div>> fi</div>
<div> </div>
<div>The log says (saving everyone from pastebin ads):</div>
<div> </div>
<div>configure:22637: result: no</div>
<div>configure:22647: checking for tm_gmtoff in struct tm</div>
<div>configure:22668: arm-rtems4.11-gcc -c -qrtems</div>
<div>-B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/lib</div>
<div>-B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/</div>
<div>--specs bsp_specs -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard</div>
<div>-mtune=cortex-a9 -std=gnu99 -fno-strict-aliasing -fwrapv -Wno-zero-length-array</div>
<div>-DMONO_DLL_EXPORT -Wno-unused-but-set-variable -g -Wall -Wunused</div>
<div>-Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes</div>
<div>-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual</div>
<div>-Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes</div>
<div>-DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -g -Wall</div>
<div>-Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes</div>
<div>-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual</div>
<div>-Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes</div>
<div>conftest.c >&5</div>
<div>conftest.c:81:1: warning: function declaration isn't a prototype</div>
<div>[-Wstrict-prototypes]</div>
<div> main ()</div>
<div> ^</div>
<div>conftest.c: In function 'main':</div>
<div>conftest.c:85:6: error: 'struct tm' has no member named 'tm_gmtoff'</div>
<div> tm.tm_gmtoff = 1;</div>
<div> ^</div>
<div>It looks like we do not have __TM_GMTOFF defined so do not currently have this</div>
<div>field supported. The second test is for `timezone`:</div>
<div> </div>
<div>configure:22675: result: no</div>
<div>configure:22682: checking for timezone variable</div>
<div>configure:22702: arm-rtems4.11-gcc -c -qrtems</div>
<div>-B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/lib</div>
<div>-B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/</div>
<div>--specs bsp_specs -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard</div>
<div>-mtune=cortex-a9 -std=gnu99 -fno-strict-aliasing -fwrapv -Wno-zero-length-array</div>
<div>-DMONO_DLL_EXPORT -Wno-unused-but-set-variable -g -Wall -Wunused</div>
<div>-Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes</div>
<div>-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual</div>
<div>-Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes</div>
<div>-DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -g -Wall</div>
<div>-Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes</div>
<div>-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual</div>
<div>-Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes</div>
<div>conftest.c >&5</div>
<div>conftest.c:81:1: warning: function declaration isn't a prototype</div>
<div>[-Wstrict-prototypes]</div>
<div> main ()</div>
<div> ^</div>
<div>conftest.c: In function 'main':</div>
<div>conftest.c:84:5: error: 'timezone' undeclared (first use in this function)</div>
<div> timezone = 1;</div>
<div> ^</div>
<div>conftest.c:84:5: note: each undeclared identifier is reported only once for each</div>
<div>function it appears in</div>
<div> </div>
<div>I am not sure about this one.</div>
<div> </div>
<div>Chris</div>
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