| #!/bin/sh |
| # Script to test if the build works properly. |
| |
| # Test IASL is installed. |
| $IASL -h > /dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "The SeaBIOS project requires the 'iasl' package be installed." >&2 |
| echo "Many Linux distributions have this package." >&2 |
| echo "Try: sudo yum install iasl" >&2 |
| echo "Or: sudo apt-get install iasl" >&2 |
| echo "" >&2 |
| echo "Please install iasl and retry." >&2 |
| echo -1 |
| exit 0 |
| fi |
| |
| mkdir -p out |
| TMPFILE1=out/tmp_testcompile1.c |
| TMPFILE1o=out/tmp_testcompile1.o |
| TMPFILE1_ld=out/tmp_testcompile1.lds |
| TMPFILE2=out/tmp_testcompile2.c |
| TMPFILE2o=out/tmp_testcompile2.o |
| TMPFILE3o=out/tmp_testcompile3.o |
| |
| # Test if ld's alignment handling is correct. This is a known problem |
| # with the linker that ships with Ubuntu 11.04. |
| cat - > $TMPFILE1 <<EOF |
| const char v1[] __attribute__((section(".text.v1"))) = "0123456789"; |
| const char v2[] __attribute__((section(".text.v2"))) = "0123456789"; |
| EOF |
| cat - > $TMPFILE1_ld <<EOF |
| SECTIONS |
| { |
| .mysection 0x88f0 : { |
| . = 0x10 ; |
| *(.text.v1) |
| . = 0x20 ; |
| *(.text.v2) |
| . = 0x30 ; |
| } |
| } |
| EOF |
| $CC -O -g -c $TMPFILE1 -o $TMPFILE1o > /dev/null 2>&1 |
| $LD -T $TMPFILE1_ld $TMPFILE1o -o $TMPFILE2o > /dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo "The version of LD on this system does not properly handle" >&2 |
| echo "alignments. As a result, this project can not be built." >&2 |
| echo "" >&2 |
| echo "The problem may be the result of this LD bug report:" >&2 |
| echo " http://sourceware.org/bugzilla/show_bug.cgi?id=12726" >&2 |
| echo "" >&2 |
| echo "Please update to a working version of binutils and retry." >&2 |
| echo -1 |
| exit 0 |
| fi |
| |
| # Test for "-fwhole-program". Older versions of gcc (pre v4.1) don't |
| # support the whole-program optimization - detect that. |
| $CC -fwhole-program -S -o /dev/null -xc /dev/null > /dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo " Working around no -fwhole-program" >&2 |
| echo 2 |
| exit 0 |
| fi |
| |
| # Test if "visible" variables and functions are marked global. On |
| # OpenSuse 10.3 "visible" variables declared with "extern" first |
| # aren't marked as global in the resulting assembler. On Ubuntu 7.10 |
| # "visible" functions aren't marked as global in the resulting |
| # assembler. |
| cat - > $TMPFILE1 <<EOF |
| void __attribute__((externally_visible)) t1() { } |
| extern unsigned char v1; |
| unsigned char v1 __attribute__((section(".data16.foo.19"))) __attribute__((externally_visible)); |
| EOF |
| $CC -Os -c -fwhole-program $TMPFILE1 -o $TMPFILE1o > /dev/null 2>&1 |
| cat - > $TMPFILE2 <<EOF |
| void t1(); |
| extern unsigned char v1; |
| int __attribute__((externally_visible)) main() { t1(); return v1; } |
| EOF |
| $CC -Os -c -fwhole-program $TMPFILE2 -o $TMPFILE2o > /dev/null 2>&1 |
| $CC -nostdlib -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1 |
| if [ $? -ne 0 ]; then |
| echo " Working around non-functional -fwhole-program" >&2 |
| echo 2 |
| exit 0 |
| fi |
| |
| # Test if "-combine" works. On Ubuntu 8.04 the compiler doesn't work |
| # correctly with combine and the "struct bregs" register due to the |
| # anonymous unions and structs. On Fedora Core 12 the compiler throws |
| # an internal compiler error when multiple files access global |
| # variables with debugging enabled. |
| cat - > $TMPFILE1 <<EOF |
| // Look for anonymous union/struct failure |
| struct ts { union { int u1; struct { int u2; }; }; }; |
| void func1(struct ts *r); |
| |
| // Look for global variable failure. |
| struct s1_s { int v; } g1; |
| void __attribute__((externally_visible)) func2() { |
| struct s1_s *l1 = &g1; |
| l1->v=0; |
| } |
| EOF |
| cat - > $TMPFILE2 <<EOF |
| struct ts { union { int u1; struct { int u2; }; }; }; |
| void func1(struct ts *r); |
| |
| extern struct s1_s g1; |
| void func3() { |
| &g1; |
| } |
| EOF |
| $CC -O -g -fwhole-program -combine -c $TMPFILE1 $TMPFILE2 -o $TMPFILE1o > /dev/null 2>&1 |
| if [ $? -eq 0 ]; then |
| echo 0 |
| else |
| echo " Working around non-functional -combine" >&2 |
| echo 1 |
| fi |
| |
| # Also, on several compilers, -combine fails if code is emitted with a |
| # reference to an extern variable that is later found to be externally |
| # visible - the compiler does not mark those variables as global. |
| # This is being worked around by ordering the compile objects to avoid |
| # this case. |
| |
| # Also, the Ubuntu 8.04 compiler has a bug causing corruption when the |
| # "ebp" register is clobberred in an "asm" statement. The code has |
| # been modified to not clobber "ebp" - no test is available yet. |
| |
| rm -f $TMPFILE1 $TMPFILE1o $TMPFILE1_ld $TMPFILE2 $TMPFILE2o $TMPFILE3o |