X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=configure;h=02b736cee3d5c17587b4a4a39af55faea9b214cc;hb=1698fe6cdcdeaad03aa19a85433d5396ecfc51ef;hp=9c0762c95191da4e9bc93fe8735de71e85cbec6e;hpb=5a92dd95c77cee81755f1a441ae0b71e3ae2bcdb;p=musl diff --git a/configure b/configure index 9c0762c9..02b736ce 100755 --- a/configure +++ b/configure @@ -25,12 +25,13 @@ Fine tuning of the installation directories: System types: --target=TARGET configure to run on target TARGET [detected] --host=HOST same as --target + --build=BUILD build system type; used only to infer cross-compiling Optional features: --enable-optimize=... optimize listed components for speed over size [auto] --enable-debug build with debugging information [disabled] --enable-warnings build with recommended warnings flags [disabled] - --enable-visibility use global visibility options to optimize PIC [auto] + --enable-visibility use global visibility options to optimize PIC [no] --enable-wrapper=... build given musl toolchain wrapper [auto] --disable-shared inhibit building shared library [enabled] --disable-static inhibit building static library [enabled] @@ -129,11 +130,12 @@ includedir='$(prefix)/include' syslibdir='/lib' tools= tool_libs= +build= target= optimize=auto debug=no warnings=no -visibility=auto +visibility=no shared=auto static=yes wrapper=auto @@ -161,6 +163,7 @@ case "$arg" in --disable-debug|--enable-debug=no) debug=no ;; --enable-warnings|--enable-warnings=yes) warnings=yes ;; --disable-warnings|--enable-warnings=no) warnings=no ;; +--enable-visibility=auto) visibility=auto ;; --enable-visibility|--enable-visibility=yes) visibility=yes ;; --disable-visibility|--enable-visibility=no) visibility=no ;; --enable-wrapper|--enable-wrapper=yes) wrapper=detect ;; @@ -170,8 +173,9 @@ case "$arg" in --disable-wrapper|--enable-wrapper=no) wrapper=no ;; --enable-gcc-wrapper|--enable-gcc-wrapper=yes) wrapper=yes ; gcc_wrapper=yes ;; --disable-gcc-wrapper|--enable-gcc-wrapper=no) wrapper=no ;; ---enable-*|--disable-*|--with-*|--without-*|--*dir=*|--build=*) ;; +--enable-*|--disable-*|--with-*|--without-*|--*dir=*) ;; --host=*|--target=*) target=${arg#*=} ;; +--build=*) build=${arg#*=} ;; -* ) echo "$0: unknown option $arg" ;; CC=*) CC=${arg#*=} ;; CFLAGS=*) CFLAGS=${arg#*=} ;; @@ -180,7 +184,7 @@ LDFLAGS=*) LDFLAGS=${arg#*=} ;; CROSS_COMPILE=*) CROSS_COMPILE=${arg#*=} ;; LIBCC=*) LIBCC=${arg#*=} ;; *=*) ;; -*) target=$arg ;; +*) build=$arg ; target=$arg ;; esac done @@ -213,6 +217,15 @@ done set +C trap 'rm "$tmpc"' EXIT INT QUIT TERM HUP +# +# Check whether we are cross-compiling, and set a default +# CROSS_COMPILE prefix if none was provided. +# +test "$target" && \ +test "$target" != "$build" && \ +test -z "$CROSS_COMPILE" && \ +CROSS_COMPILE="$target-" + # # Find a C compiler to use # @@ -237,6 +250,7 @@ fi # tryflag CFLAGS_TRY -Werror=unknown-warning-option tryflag CFLAGS_TRY -Werror=unused-command-line-argument +tryflag CFLAGS_TRY -Werror=ignored-optimization-argument tryldflag LDFLAGS_TRY -Werror=unknown-warning-option tryldflag LDFLAGS_TRY -Werror=unused-command-line-argument @@ -299,7 +313,6 @@ printf "%s\n" "$target" # case "$target" in # Catch these early to simplify matching for 32-bit archs -powerpc64*) fail "$0: unsupported target \"$target\"" ;; arm*) ARCH=arm ;; aarch64*) ARCH=aarch64 ;; i?86-nt32*) ARCH=nt32 ;; @@ -307,12 +320,14 @@ i?86*) ARCH=i386 ;; x86_64-x32*|x32*|x86_64*x32) ARCH=x32 ;; x86_64-nt64*) ARCH=nt64 ;; x86_64*) ARCH=x86_64 ;; -mips64*) ARCH=mips64 ;; +mips64*|mipsisa64*) ARCH=mips64 ;; mips*) ARCH=mips ;; microblaze*) ARCH=microblaze ;; or1k*) ARCH=or1k ;; +powerpc64*) ARCH=powerpc64 ;; powerpc*) ARCH=powerpc ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; +s390x*) ARCH=s390x ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; *) fail "$0: unknown or unsupported target \"$target\"" ;; esac @@ -491,6 +506,13 @@ tryflag CFLAGS_AUTO -Werror=implicit-int tryflag CFLAGS_AUTO -Werror=pointer-sign tryflag CFLAGS_AUTO -Werror=pointer-arith +# +# GCC ignores unused arguements by default, but Clang needs this extra +# parameter to stop printing warnings about LDFLAGS passed during +# compiling stage and CFLAGS passed during linking stage. +# +tryflag CFLAGS_AUTO -Qunused-arguments + if test "x$warnings" = xyes ; then tryflag CFLAGS_AUTO -Wall tryflag CFLAGS_AUTO -Wno-parentheses @@ -589,6 +611,10 @@ trycppif __ILP32__ "$t" && ARCH=x32 fi if test "$ARCH" = "arm" ; then +if trycppif __thumb2__ "$t" ; then +tryflag CFLAGS_AUTO -Wa,-mimplicit-it=always +tryflag CFLAGS_AUTO -Wa,-mthumb +fi trycppif __ARMEB__ "$t" && SUBARCH=${SUBARCH}eb trycppif __ARM_PCS_VFP "$t" && SUBARCH=${SUBARCH}hf # Versions of clang up until at least 3.8 have the wrong constraint codes @@ -612,22 +638,33 @@ trycppif __AARCH64EB__ "$t" && SUBARCH=${SUBARCH}_be fi if test "$ARCH" = "mips" ; then +trycppif "__mips_isa_rev >= 6" "$t" && SUBARCH=${SUBARCH}r6 trycppif "_MIPSEL || __MIPSEL || __MIPSEL__" "$t" && SUBARCH=${SUBARCH}el trycppif __mips_soft_float "$t" && SUBARCH=${SUBARCH}-sf fi if test "$ARCH" = "mips64" ; then +trycppif "_MIPS_SIM != _ABI64" "$t" && ARCH=mipsn32 +trycppif "__mips_isa_rev >= 6" "$t" && SUBARCH=${SUBARCH}r6 trycppif "_MIPSEL || __MIPSEL || __MIPSEL__" "$t" && SUBARCH=${SUBARCH}el trycppif __mips_soft_float "$t" && SUBARCH=${SUBARCH}-sf fi if test "$ARCH" = "powerpc" ; then +trycppif "__NO_FPRS__ && !_SOFT_FLOAT" "$t" && fail \ + "$0: error: compiler's floating point configuration is unsupported" trycppif _SOFT_FLOAT "$t" && SUBARCH=${SUBARCH}-sf fi test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \ && SUBARCH=${SUBARCH}el +if test "$ARCH" = "powerpc64" ; then +trycppif "_CALL_ELF == 2" "$t" || fail "$0: error: unsupported powerpc64 ABI" +trycppif __LITTLE_ENDIAN__ "$t" && SUBARCH=${SUBARCH}le +trycppif _SOFT_FLOAT "$t" && fail "$0: error: soft-float not supported on powerpc64" +fi + if test "$ARCH" = "sh" ; then tryflag CFLAGS_AUTO -Wa,--isa=any trycppif __BIG_ENDIAN__ "$t" && SUBARCH=${SUBARCH}eb