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Revert "make: support: use command -v' instead of which'"

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This reverts commit ca6a2907c2.

Switching to using 'command -v' instead of 'which', opened a can of
worms that is hard to fix in a timely manner:

  - recursive call to 'make' from a post-build, post-iamge script, fails
    because of a redefinition of HOSTCC_NOCCACHE (a bug on its own that
    needs a separate fix anyway) [0];

  - 'make' believeing it can call "simple" commands with execve() et al.
    instead of passing them through a shell via system(), and thus
    failing to find 'command' in the PATH [1].

[0] https://lore.kernel.org/buildroot/20211001175329.GA1973888@lbrmn-mmayer.ric.broadcom.net/T/#m95c17eb8374e4e3dd6eee700d397aa12cca0739e
[1] https://lore.kernel.org/buildroot/20211001180304.GV1504958@scaer/T/#m3a8f36bd76ec7d8e5038a6c8932bb6ffe23ea268

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Yann E. MORIN
2021-10-01 20:08:32 +02:00
parent 6cddc00399
commit 556a0a1104
11 changed files with 35 additions and 35 deletions
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16
support/dependencies/dependencies.sh
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@@ -58,7 +58,7 @@ fi
check_prog_host()
{
prog="$1"
if ! command -v $prog > /dev/null ; then
if ! which $prog > /dev/null ; then
echo >&2
echo "You must install '$prog' on your build machine" >&2
exit 1
@@ -75,7 +75,7 @@ check_prog_host "sed"
check_prog_host "/usr/bin/file"
# Check make
MAKE=$(command -v make 2> /dev/null)
MAKE=$(which make 2> /dev/null)
if [ -z "$MAKE" ] ; then
echo
echo "You must install 'make' on your build machine";
@@ -96,9 +96,9 @@ if [ $MAKE_MAJOR -lt 3 ] || [ $MAKE_MAJOR -eq 3 -a $MAKE_MINOR -lt 81 ] ; then
fi;
# Check host gcc
COMPILER=$(command -v $HOSTCC_NOCCACHE 2> /dev/null)
COMPILER=$(which $HOSTCC_NOCCACHE 2> /dev/null)
if [ -z "$COMPILER" ] ; then
COMPILER=$(command -v cc 2> /dev/null)
COMPILER=$(which cc 2> /dev/null)
fi;
if [ -z "$COMPILER" ] ; then
echo
@@ -122,9 +122,9 @@ if [ $COMPILER_MAJOR -lt 4 -o $COMPILER_MAJOR -eq 4 -a $COMPILER_MINOR -lt 8 ] ;
fi;
# check for host CXX
CXXCOMPILER=$(command -v $HOSTCXX_NOCCACHE 2> /dev/null)
CXXCOMPILER=$(which $HOSTCXX_NOCCACHE 2> /dev/null)
if [ -z "$CXXCOMPILER" ] ; then
CXXCOMPILER=$(command -v c++ 2> /dev/null)
CXXCOMPILER=$(which c++ 2> /dev/null)
fi
if [ -z "$CXXCOMPILER" ] ; then
@@ -164,7 +164,7 @@ fi
# Check that a few mandatory programs are installed
missing_progs="no"
for prog in perl tar wget cpio unzip rsync bc ${DL_TOOLS} ; do
if ! command -v $prog > /dev/null ; then
if ! which $prog > /dev/null ; then
echo "You must install '$prog' on your build machine";
missing_progs="yes"
if test $prog = "svn" ; then
@@ -198,7 +198,7 @@ if [ "${PATCH_MAJOR}" -lt 2 ] || [ "${PATCH_MAJOR}" -eq 2 -a "${PATCH_MINOR}" -l
fi
if grep ^BR2_NEEDS_HOST_UTF8_LOCALE=y $BR2_CONFIG > /dev/null; then
if ! command -v locale > /dev/null ; then
if ! which locale > /dev/null ; then
echo
echo "You need locale support on your build machine to build a toolchain supporting locales"
exit 1 ;