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hack: Support picking cc and cpp via environment variables.

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Until now `cc' was hard-coded as the only compiler used.  Supporting selecting
the compiler and preprocessor to be used via environment variables makes life
easier for distributors, so this commit mimics how podman does it in its hack/*
scripts.

Signed-off-by: Tomas Volf <~@wolfsden.cz>
This commit is contained in:
Tomas Volf 2024-05-09 01:42:50 +02:00
parent 2b6c7ad225
commit 60a609bec8
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GPG Key ID: 2FBFEE7DB67FC1A9
3 changed files with 4 additions and 3 deletions
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2
hack/btrfs_installed_tag.sh
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@ -1,5 +1,5 @@
#!/usr/bin/env bash
cc -E - > /dev/null 2> /dev/null << EOF
${CPP:-${CC:-cc} -E} ${CPPFLAGS} - > /dev/null 2> /dev/null << EOF
#include <btrfs/ioctl.h>
EOF
if test $? -ne 0 ; then

2
hack/btrfs_tag.sh
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@ -1,5 +1,5 @@
#!/usr/bin/env bash
cc -E - > /dev/null 2> /dev/null << EOF
${CPP:-${CC:-cc} -E} ${CPPFLAGS} - > /dev/null 2> /dev/null << EOF
#include <btrfs/version.h>
EOF
if test $? -ne 0 ; then

3
hack/libsubid_tag.sh
View File

@ -5,7 +5,8 @@ fi
tmpdir="$PWD/tmp.$RANDOM"
mkdir -p "$tmpdir"
trap 'rm -fr "$tmpdir"' EXIT
cc -o "$tmpdir"/libsubid_tag -x c - -l subid > /dev/null 2> /dev/null << EOF
${CC:-cc} ${CPPFLAGS} ${CFLAGS} -o "$tmpdir"/libsubid_tag -x c - -l subid \
> /dev/null 2> /dev/null << EOF
#include <shadow/subid.h>
#include <stdlib.h>
int main() {