diff options
| author | Patrik Nyblom <[email protected]> | 2009-12-08 09:02:14 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2010-02-06 09:49:00 +0100 |
| commit | cad901a54fa7d0eb3ad17270a08d4824d50cfd51 (patch) | |
| tree | 8e7f24c6baedf3bf31b73e72c77605fcc693cb35 | |
| parent | c6bf34b7035a6292650babf2eb8af80c19256fab (diff) | |
| download | otp-cad901a54fa7d0eb3ad17270a08d4824d50cfd51.tar.gz otp-cad901a54fa7d0eb3ad17270a08d4824d50cfd51.tar.bz2 otp-cad901a54fa7d0eb3ad17270a08d4824d50cfd51.zip | |
Teach configure --enable-m32-build for forcing a 32-bit build
| -rw-r--r-- | configure.in | 20 | ||||
| -rw-r--r-- | erts/configure.in | 69 |
2 files changed, 89 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 19ef304a1a..2a9a2c50b2 100644 --- a/configure.in +++ b/configure.in @@ -272,6 +272,19 @@ AC_ARG_ENABLE(m64-build, esac ],enable_m64_build=no) +AC_ARG_ENABLE(m32-build, +[ --enable-m32-build build 32bit binaries using the -m32 flag to (g)cc], +[ case "$enableval" in + no) enable_m32_build=no ;; + *) + if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; + then + AC_MSG_ERROR([(--enable-darwin-64bit or --enable-m64-build) and --enable-m32-build are mutually exclusive]) ; + fi ; + enable_m32_build=yes ;; + esac +],enable_m32_build=no) + dnl OK, we might have darwin switches off different kinds, lets dnl check it all before continuing. TMPSYS=`uname -s`-`uname -m` @@ -315,6 +328,13 @@ if test X${enable_m64_build} = Xyes; then LDFLAGS="-m64 $LDFLAGS" export LDFLAGS fi +if test X${enable_m32_build} = Xyes; then + enable_hipe=no + CFLAGS="-m32 $CFLAGS" + export CFLAGS + LDFLAGS="-m32 $LDFLAGS" + export LDFLAGS +fi export ERL_TOP AC_CONFIG_SUBDIRS(lib erts) diff --git a/erts/configure.in b/erts/configure.in index 1892a7a1f4..03390de84b 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -226,6 +226,19 @@ AC_ARG_ENABLE(m64-build, esac ],enable_m64_build=no) +AC_ARG_ENABLE(m32-build, +[ --enable-m32-build build 32bit binaries using the -m32 flag to (g)cc], +[ case "$enableval" in + no) enable_m32_build=no ;; + *) + if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; + then + AC_MSG_ERROR([(--enable-darwin-64bit or --enable-m64-build) and --enable-m32-build are mutually exclusive]) ; + fi ; + enable_m32_build=yes ;; + esac +],enable_m32_build=no) + AC_ARG_ENABLE(fixalloc, [ --disable-fixalloc disable the use of fix_alloc]) if test x${enable_fixalloc} = xno ; then @@ -336,6 +349,17 @@ else esac ;; *) + if test X${enable_m32_build} = Xyes; + then + enable_hipe=no; + case $CFLAGS in + *-m32*) + ;; + *) + CFLAGS="-m32 $CFLAGS" + ;; + esac ; + fi ;; esac fi @@ -433,6 +457,35 @@ CFLAGS="$CFLAGS $extra_flags" DEBUG_CFLAGS="-g $CPPFLAGS $extra_flags" DEBUG_FLAGS=-g +dnl +dnl Adjust DEBUG_CFLAGS to match CFLAGS in terms of -m +dnl + +case $CFLAGS in + *-m64*) + case $DEBUG_CFLAGS in + *-m64*) + ;; + *) + DEBUG_CFLAGS="-m64 $DEBUG_CFLAGS" + ;; + esac + ;; + *-m32*) + case $DEBUG_CFLAGS in + *-m32*) + ;; + *) + DEBUG_CFLAGS="-m32 $DEBUG_CFLAGS" + ;; + esac + ;; + *) + ;; +esac + + + CFLAG_RUNTIME_LIBRARY_PATH="-Wl,-R" case $host_os in darwin*) @@ -628,6 +681,16 @@ case $ARCH-$OPSYS in LDFLAGS="-m64 $LDFLAGS" ;; esac + fi; + if test X${enable_m32_build} = Xyes; then + AC_MSG_NOTICE([Adjusting LDFLAGS to use -m32]) ; + case $LDFLAGS in + *-m32*) + ;; + *) + LDFLAGS="-m32 $LDFLAGS" + ;; + esac ; fi ;; esac @@ -3184,6 +3247,9 @@ case $host_os in DED_LDFLAGS="-shared -Wl,-Bsymbolic" if test X${enable_m64_build} = Xyes; then DED_LDFLAGS="-m64 $DED_LDFLAGS" + fi; + if test X${enable_m32_build} = Xyes; then + DED_LDFLAGS="-m32 $DED_LDFLAGS" fi ;; freebsd*) @@ -3192,6 +3258,9 @@ case $host_os in DED_LDFLAGS="-shared" if test X${enable_m64_build} = Xyes; then DED_LDFLAGS="-m64 $DED_LDFLAGS" + fi; + if test X${enable_m32_build} = Xyes; then + DED_LDFLAGS="-m32 $DED_LDFLAGS" fi ;; osf*) |