configure.ac: Reorder efiemu check to after link format check.
efiemu is supposed to be disabled when compiling through exe format. Unfortunately format was determined only after efiemu check. Reorder to fix the problem
This commit is contained in:
Vladimir Serbinenko
parent
4d6e9c8a92
commit
80fdaf1d01
1 changed files with 67 additions and 60 deletions
127
configure.ac
127
configure.ac
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@ -948,66 +948,6 @@ if test "x$grub_cv_cc_fno_unwind_tables" = xyes; then
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TARGET_CFLAGS="$TARGET_CFLAGS -fno-unwind-tables"
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fi
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AC_ARG_ENABLE([efiemu],
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[AS_HELP_STRING([--enable-efiemu],
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[build and install the efiemu runtimes (default=guessed)])])
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if test x"$enable_efiemu" = xno ; then
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efiemu_excuse="explicitly disabled"
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fi
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if test x"$grub_cv_target_cc_link_format" = x-mi386pe || test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
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efiemu_excuse="not available on cygwin"
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fi
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if test x"$target_cpu" != xi386 ; then
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efiemu_excuse="only available on i386"
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fi
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if test x"$platform" = xefi ; then
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efiemu_excuse="not available on efi"
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fi
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if test x"$efiemu_excuse" = x ; then
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AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
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CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
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[grub_cv_cc_efiemu=yes],
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[grub_cv_cc_efiemu=no])
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])
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if test x$grub_cv_cc_efiemu = xno; then
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efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
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fi
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fi
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if test x"$efiemu_excuse" = x ; then
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AC_CACHE_CHECK([for efiemu64 linking format], [grub_cv_target_cc_efiemu64_link_format], [
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grub_cv_target_cc_efiemu64_link_format=unknown
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for format in -melf_x86_64 -melf_x86_64_fbsd -melf_x86_64_obsd -melf_x86_64_haiku -arch,x86_64; do
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CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
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LDFLAGS="-m64 -Wl,$format -nostdlib -static"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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asm (".globl start; start:");
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asm (".globl _start; _start:");
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asm (".globl __start; __start:");
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void __main (void);
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void __main (void) {}
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]], [[]])], [flag=1], [flag=0])
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if test x"$flag" = x1; then
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grub_cv_target_cc_efiemu64_link_format="$format"
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break
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fi
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done])
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if test x"$grub_cv_target_cc_efiemu64_link_format" = xunknown; then
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efiemu_excuse="no suitable link format for efiemu64 found"
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else
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EFIEMU64_LINK_FORMAT="-Wl,$grub_cv_target_cc_efiemu64_link_format"
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fi
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fi
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if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
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AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled ($efiemu_excuse)])
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fi
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if test x"$efiemu_excuse" = x ; then
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enable_efiemu=yes
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else
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enable_efiemu=no
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fi
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AC_SUBST([enable_efiemu])
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AC_SUBST([EFIEMU64_LINK_FORMAT])
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CFLAGS="$TARGET_CFLAGS"
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@ -1101,6 +1041,73 @@ else
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TARGET_IMG_CFLAGS=
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fi
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CFLAGS="$TARGET_CFLAGS"
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AC_ARG_ENABLE([efiemu],
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[AS_HELP_STRING([--enable-efiemu],
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[build and install the efiemu runtimes (default=guessed)])])
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if test x"$enable_efiemu" = xno ; then
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efiemu_excuse="explicitly disabled"
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fi
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if test x"$grub_cv_target_cc_link_format" = x-mi386pe || test x"$grub_cv_target_cc_link_format" = x-mi386pep ; then
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efiemu_excuse="not available on cygwin"
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fi
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if test x"$target_cpu" != xi386 ; then
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efiemu_excuse="only available on i386"
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fi
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if test x"$platform" = xefi ; then
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efiemu_excuse="not available on efi"
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fi
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if test x"$efiemu_excuse" = x ; then
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AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
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CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
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[grub_cv_cc_efiemu=yes],
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[grub_cv_cc_efiemu=no])
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])
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if test x$grub_cv_cc_efiemu = xno; then
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efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
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fi
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fi
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if test x"$efiemu_excuse" = x ; then
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AC_CACHE_CHECK([for efiemu64 linking format], [grub_cv_target_cc_efiemu64_link_format], [
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grub_cv_target_cc_efiemu64_link_format=unknown
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for format in -melf_x86_64 -melf_x86_64_fbsd -melf_x86_64_obsd -melf_x86_64_haiku -arch,x86_64; do
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CFLAGS="-m64 -nostdlib -O2 -mcmodel=large -mno-red-zone"
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LDFLAGS="-m64 -Wl,$format -nostdlib -static"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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asm (".globl start; start:");
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asm (".globl _start; _start:");
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asm (".globl __start; __start:");
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void __main (void);
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void __main (void) {}
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]], [[]])], [flag=1], [flag=0])
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if test x"$flag" = x1; then
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grub_cv_target_cc_efiemu64_link_format="$format"
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break
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fi
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done])
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if test x"$grub_cv_target_cc_efiemu64_link_format" = xunknown; then
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efiemu_excuse="no suitable link format for efiemu64 found"
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else
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EFIEMU64_LINK_FORMAT="-Wl,$grub_cv_target_cc_efiemu64_link_format"
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fi
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fi
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if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
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AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled ($efiemu_excuse)])
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fi
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if test x"$efiemu_excuse" = x ; then
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enable_efiemu=yes
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else
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enable_efiemu=no
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fi
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AC_SUBST([enable_efiemu])
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AC_SUBST([EFIEMU64_LINK_FORMAT])
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CFLAGS="$TARGET_CFLAGS"
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AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
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