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factor.sh: require high enough version of clang/gcc. Fixes #1440.

db4
Doug Coleman 2015-09-26 22:18:01 -07:00
parent adbd379241
commit 232ec72643
1 changed files with 51 additions and 3 deletions
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54
build-support/factor.sh
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@ -112,22 +112,70 @@ set_md5sum() {
fi
}
semver_into() {
CLANG_RE_OLD="^([0-9]*)\.([0-9]*)-(.*)?$" # 3.3-5
RE_SEMVER="^([0-9]*)\.([0-9]*)\.([0-9]*)-?(.*)?$" # 3.3.3-5
if [[ $1 =~ $CLANG_RE_OLD ]] ; then
eval $2=${BASH_REMATCH[1]}
eval $3=${BASH_REMATCH[2]}
eval $4=0
eval $5=${BASH_REMATCH[3]}
elif [[ $1 =~ $RE_SEMVER ]] ; then
eval $2=${BASH_REMATCH[1]}
eval $3=${BASH_REMATCH[2]}
eval $4=${BASH_REMATCH[3]}
eval $5=${BASH_REMATCH[4]}
else
echo "unsupported version number, please report a bug: $1"
exit 123
fi
}
# issue 1440
gcc_version_ok() {
GCC_VERSION=`gcc --version | head -n1 | rev | cut -d ' ' -f 1 | rev`
local GCC_MAJOR local GCC_MINOR local GCC_PATCH local GCC_SPECIAL
semver_into $GCC_VERSION GCC_MAJOR GCC_MINOR GCC_PATCH GCC_SPECIAL
if [[ $GCC_MAJOR -lt 4
|| ( $GCC_MAJOR -eq 4 && $GCC_MINOR -lt 7 )
|| ( $GCC_MAJOR -eq 4 && $GCC_MINOR -eq 7 && $GCC_THIRD -lt 3 )
|| ( $GCC_MAJOR -eq 4 && $GCC_MINOR -eq 8 && $GCC_THIRD -eq 0 )
]] ; then
echo "gcc version required >= 4.7.3, != 4.8.0, >= 4.8.1, got $GCC_VERSION"
return 1
fi
return 0
}
clang_version_ok() {
CLANG_VERSION=`clang --version | head -n1 | cut -d ' ' -f4`
local CLANG_MAJOR local CLANG_MINOR local CLANG_PATCH local CLANG_SPECIAL
semver_into $CLANG_VERSION CLANG_MAJOR CLANG_MINOR CLANG_PATCH CLANG_SPECIAL
if [[ $CLANG_MAJOR -lt 3
|| ( $CLANG_MAJOR -eq 3 && $CLANG_MINOR -le 1 )
]] ; then
echo "clang version required >= 3.1, got $CLANG_VERSION"
return 1
fi
return 0
}
set_cc() {
test_programs_installed clang clang++
if [[ $? -ne 0 ]] ; then
if [[ $? -ne 0 ]] && clang_version_ok ; then
[ -z "$CC" ] && CC=clang
[ -z "$CXX" ] && CXX=clang++
return
fi
test_programs_installed gcc g++
if [[ $? -ne 0 ]] ; then
if [[ $? -ne 0 ]] && gcc_version_ok ; then
[ -z "$CC" ] && CC=gcc
[ -z "$CXX" ] && CXX=g++
return
fi
$ECHO "error: both (clang/clang++) or (gcc/g++) required!"
$ECHO "error: high enough version of either (clang/clang++) or (gcc/g++) required!"
exit_script 10
}