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essence-os
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extract sysroot for pre built toolchain

This commit is contained in:
nakst 2021-12-25 11:00:43 +00:00
parent 187577e8f8
commit a8e26c63b8
2 changed files with 13 additions and 2 deletions
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13
util/build.c
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@ -1591,8 +1591,19 @@ void DoCommand(const char *l) {
CallSystem("mv bin/source cross");
CallSystem("mkdir -p cross/bin2");
CallSystem("gcc -o bin/change_sysroot util/change_sysroot.c -Wall -Wextra");
CallSystem("cross/bin2/" TOOLCHAIN_PREFIX "-gcc --verbose > bin/temp.txt");
char *configureFlags = (char *) LoadFile("bin/temp.txt", NULL);
char *sysrootPath = strstr(configureFlags, "--with-sysroot=");
sysrootPath += 15;
char *sysrootPathEnd = strchr(sysrootPath, ' ');
if (sysrootPathEnd) *sysrootPathEnd = 0;
free(configureFlags);
CallSystem("rm bin/temp.txt");
fprintf("Detected sysroot from gcc as \"%s\".\n", sysrootPath);
#define MAKE_TOOLCHAIN_WRAPPER(tool) \
CallSystem("gcc -o cross/bin2/" TOOLCHAIN_PREFIX "-" tool " util/toolchain_wrapper.c -Wall -Wextra -g -DTOOL=" TOOLCHAIN_PREFIX "-" tool)
CallSystemF("gcc -o cross/bin2/" TOOLCHAIN_PREFIX "-" tool \
" util/toolchain_wrapper.c -Wall -Wextra -g " \
" -DCONFIGURE_SYSROOT=\"%s\" -DTOOL=" TOOLCHAIN_PREFIX "-" tool, sysrootPath)
MAKE_TOOLCHAIN_WRAPPER("addr2line");
MAKE_TOOLCHAIN_WRAPPER("ar");
MAKE_TOOLCHAIN_WRAPPER("as");

2
util/toolchain_wrapper.c
View File

@ -28,7 +28,7 @@ int main(int argc, char **argv) {
// printf("'%s'\n", tool);
char **newArgv = (char **) calloc(sizeof(char *), (argc + 4));
newArgv[0] = change;
newArgv[1] = "/home/runner/work/build-gcc/build-gcc/essence/root/";
newArgv[1] = CONFIGURE_SYSROOT;
newArgv[2] = sysroot;
newArgv[3] = tool;
memcpy(newArgv + 4, argv + 1, (argc - 1) * sizeof(char *));