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authormidipix <writeonce@midipix.org>2016-02-27 15:54:56 -0500
committermidipix <writeonce@midipix.org>2016-02-27 16:20:33 -0500
commit0113442d1adc00fa6d1d8f6615effa7580af15a7 (patch)
tree84ae211433c9ba112874a1ef980e3fdee73ce02b /configure
parent5d406f0629a6aa766e79722f2b0d1c7b4627dc93 (diff)
downloadntcon-0113442d1adc00fa6d1d8f6615effa7580af15a7.tar.bz2
ntcon-0113442d1adc00fa6d1d8f6615effa7580af15a7.tar.xz
build system: configure, host.sh: use modern portable shell idioms.
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure44
1 files changed, 22 insertions, 22 deletions
diff --git a/configure b/configure
index 8ddf8b9..33d8318 100755
--- a/configure
+++ b/configure
@@ -22,7 +22,7 @@ init_vars()
mb_project_dir=$(cd `dirname $0` ; pwd)
mb_pwd=`pwd`
- if [ x"$mb_config" = x ]; then
+ if [ -z "$mb_config" ]; then
. $mb_project_dir/config.project || exit 2
else
. "$mb_config" || exit 2
@@ -89,8 +89,8 @@ init_vars()
verify_build_directory()
{
- if [ x"$mb_project_dir" = x"$mb_pwd" ]; then
- if [ x"$mb_require_out_of_tree" = xyes ]; then
+ if [ "$mb_project_dir" = "$mb_pwd" ]; then
+ if [ "$mb_require_out_of_tree" = yes ]; then
error_msg "$mb_package: out-of-tree builds are required."
error_msg "please invoke configure again from a clean build directory."
exit 2
@@ -152,37 +152,37 @@ common_defaults()
[ -z "$mb_target" ] && mb_target=$mb_host
# sysroot
- if [ x"$mb_sysroot" != x ]; then
- if [ x"$mb_cflags_sysroot" = x ]; then
+ if [ -n "$mb_sysroot" ]; then
+ if [ -z "$mb_cflags_sysroot" ]; then
mb_cflags_sysroot="--sysroot=$mb_sysroot"
fi
- if [ x"$mb_ldflags_sysroot" = x ]; then
+ if [ -z "$mb_ldflags_sysroot" ]; then
mb_ldflags_sysroot="-Wl,--sysroot,$mb_sysroot"
fi
fi
# debug
- if [ x"$mb_debug" = xyes ]; then
- if [ x"$mb_cflags_debug" = x ]; then
+ if [ "$mb_debug" = yes ]; then
+ if [ -z "$mb_cflags_debug" ]; then
mb_cflags_debug='-g3 -O0'
fi
fi
# compiler
- if [ x"$mb_compiler" != x ]; then
- if [ x"$mb_native_cc" = x ]; then
+ if [ -n "$mb_compiler" ]; then
+ if [ -z "$mb_native_cc" ]; then
mb_native_cc=$mb_compiler
fi
fi
# toolchain
- if [ x"$mb_toolchain" = x ]; then
+ if [ -z "$mb_toolchain" ]; then
mb_toolchain='binutils'
fi
# fallback host recipe
- if [ x"$mb_host" != x ]; then
+ if [ -n "$mb_host" ]; then
if ! [ -f $mb_project_dir/sysinfo/host/$mb_host.mk ]; then
if [ -z "$mb_cross_compile" ]; then
mb_cross_compile=$mb_host-
@@ -197,7 +197,7 @@ common_defaults()
native_defaults()
{
# CC (when set, must be valid)
- if [ x"$CC" != x ]; then
+ if [ -n "$CC" ]; then
$CC -dM -E - < /dev/null > /dev/null || exit 2
fi
@@ -215,37 +215,37 @@ native_defaults()
[ -z "$mb_native_cc" ] && mb_native_cc='cparser'
$mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc=
- if [ x"$mb_native_cc" = x ]; then
+ if [ -z "$mb_native_cc" ]; then
error_msg "config error: could not find a working native compiler."
exit 2
fi
- if [ x"$mb_compiler" = x ]; then
+ if [ -z "$mb_compiler" ]; then
$mb_native_cc -dM -E - < /dev/null | grep '__clang__' > /dev/null && mb_compiler='clang'
fi
- if [ x"$mb_compiler" = x ]; then
+ if [ -z "$mb_compiler" ]; then
$mb_native_cc -dM -E - < /dev/null | grep '__GCC' > /dev/null && mb_compiler='gcc'
fi
- if [ x"$mb_compiler" = x ]; then
+ if [ -z "$mb_compiler" ]; then
$mb_native_cc -dM -E - < /dev/null | grep '__CPARSER__' > /dev/null && mb_compiler='cparser'
fi
- if [ x"$mb_compiler" = x ]; then
+ if [ -z "$mb_compiler" ]; then
error_msg "config error: could not identify the native compiler."
exit 2
fi
# host
- if [ x"$mb_host" = x ]; then
+ if [ -z "$mb_host" ]; then
mb_host='native'
fi
# target
- if [ x"$mb_target" = x ]; then
+ if [ -z "$mb_target" ]; then
mb_target='native'
fi
@@ -265,7 +265,7 @@ native_defaults()
mb_native_os_underscore=''
fi
- if [ x"$mb_native_os_sizeof_pointer" = x ]; then
+ if [ -z "$mb_native_os_sizeof_pointer" ]; then
error_msg "config error: could not determine size of pointer on native system."
exit 2
fi
@@ -278,7 +278,7 @@ native_defaults()
cross_defaults()
{
- if [ x"$mb_cross_compile" = x ] && [ x"$mb_host" != xnative ]; then
+ if [ -z "$mb_cross_compile" ] && [ "$mb_host" != native ]; then
mb_cross_compile=$mb_host'-'
fi
}