diff options
| -rwxr-xr-x | tools/configure | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/configure b/tools/configure index 682fd9ccca..631589f5dd 100755 --- a/tools/configure +++ b/tools/configure @@ -43,6 +43,8 @@ crosswincc () { GCCOPTS="$GCCOPTS -mno-cygwin" output="rockboxui.exe" # use this as output binary name + crosscompile="yes" + endian="little" # windows is little endian } simcc () { @@ -92,24 +94,56 @@ simcc () { exit ;; esac + + + if test "X$crosscompile" != "Xyes"; then + id=$$ + cat >/tmp/conftest-$id.c <<EOF +#include <stdio.h> +int main(int argc, char **argv) +{ + int var=0; + char *varp = (char *)&var; + *varp=1; + + printf("%d\n", var); + return 0; +} +EOF + + $CC -o /tmp/conftest-$id /tmp/conftest-$id.c 2>/dev/null + + if test `/tmp/conftest-$id 2>/dev/null` -gt "1"; then + # big endian + endian="big" + else + # little endian + endian="little" + fi + echo "Simulator environment deemed $endian endian" + rm /tmp/conftest-$id /tmp/conftest-$id.c + fi } shcc () { prefixtools sh-elf- GCCOPTS="$CCOPTS -m1" GCCOPTIMIZE="-fomit-frame-pointer -fschedule-insns" + endian="big" } calmrisccc () { prefixtools calmrisc16-unknown-elf- GCCOPTS="-Wl\,--no-check-sections $CCOPTS" GCCOPTIMIZE="-fomit-frame-pointer" + endian="big" } coldfirecc () { prefixtools m68k-elf- GCCOPTS="$CCOPTS -g -m5200 -Wa\,-m5249 -malign-int -mstrict-align" GCCOPTIMIZE="-fomit-frame-pointer" + endian="big" } whichaddr () { @@ -543,6 +577,19 @@ else fi +if test "X$endian" = "Xbig"; then + defendian="ROCKBOX_BIG_ENDIAN" +else + defendian="ROCKBOX_LITTLE_ENDIAN" +fi + +sed > autoconf.h \ + -e "s,@ENDIAN@,${defendian},g" \ +<<EOF +/* Define endianess for the target or simulator platform */ +#define @ENDIAN@ 1 +EOF + sed > Makefile \ -e "s,@ROOTDIR@,${rootdir},g" \ -e "s,@DEBUG@,${debug},g" \ @@ -576,6 +623,7 @@ sed > Makefile \ -e "s,@GCCVER@,${gccver},g" \ -e "s,@GCCNUM@,${gccnum},g" \ -e "s,@UNAME@,${uname},g" \ + -e "s,@ENDIAN@,${defendian},g" \ <<EOF ## Automaticly generated. http://www.rockbox.org/ |