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Make all compile under OpenBSD (#3423)

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Co-authored-by: Josuah Demangeon <me@josuah.net>
This commit is contained in:
Miodrag Milanović 2022-07-27 14:16:46 +02:00 • committed by GitHub
parent bc012995b4
commit 29a5947bf8
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 50 additions and 3 deletions
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11
Makefile
View file

@ -155,7 +155,7 @@ bumpversion:
# is just a symlink to your actual ABC working directory, as 'make mrproper'
# will remove the 'abc' directory and you do not want to accidentally
# delete your work on ABC..
ABCREV = 4e89fc7
ABCREV = 7cc11f7
ABCPULL = 1
ABCURL ?= https://github.com/YosysHQ/abc
ABCMKARGS = CC="$(CXX)" CXX="$(CXX)" ABC_USE_LIBSTDCXX=1 ABC_USE_NAMESPACE=abc VERBOSE=$(Q)
@ -199,11 +199,16 @@ endif
endif
ABC_ARCHFLAGS = ""
ifeq ($(OS), OpenBSD)
ABC_ARCHFLAGS += "-DABC_NO_RLIMIT"
endif
ifeq ($(CONFIG),clang)
CXX = clang
LD = clang++
CXXFLAGS += -std=$(CXXSTD) -Os
ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -Wno-c++11-narrowing"
ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H -Wno-c++11-narrowing $(ABC_ARCHFLAGS)"
ifneq ($(SANITIZER),)
$(info [Clang Sanitizer] $(SANITIZER))
@ -226,7 +231,7 @@ else ifeq ($(CONFIG),gcc)
CXX = gcc
LD = gcc
CXXFLAGS += -std=$(CXXSTD) -Os
ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H"
ABCMKARGS += ARCHFLAGS="-DABC_USE_STDINT_H $(ABC_ARCHFLAGS)"
else ifeq ($(CONFIG),gcc-static)
LD = $(CXX)

13
kernel/driver.cc
View file

@ -192,6 +192,13 @@ void yosys_atexit()
#endif
}
#if defined(__OpenBSD__)
namespace Yosys {
extern char *yosys_argv0;
extern char yosys_path[PATH_MAX];
};
#endif
int main(int argc, char **argv)
{
std::string frontend_command = "auto";
@ -498,6 +505,12 @@ int main(int argc, char **argv)
if (print_stats)
log_hasher = new SHA1;
#if defined(__OpenBSD__)
// save the executable origin for proc_self_dirname()
yosys_argv0 = argv[0];
realpath(yosys_argv0, yosys_path);
#endif
#if defined(__linux__)
// set stack size to >= 128 MB
{

29
kernel/yosys.cc
View file

@ -871,6 +871,35 @@ std::string proc_self_dirname()
{
return "/";
}
#elif defined(__OpenBSD__)
char yosys_path[PATH_MAX];
char *yosys_argv0;
std::string proc_self_dirname(void)
{
char buf[PATH_MAX + 1] = "", *path, *p;
// if case argv[0] contains a valid path, return it
if (strlen(yosys_path) > 0) {
p = strrchr(yosys_path, '/');
snprintf(buf, sizeof buf, "%*s/", (int)(yosys_path - p), yosys_path);
return buf;
}
// if argv[0] does not, reconstruct the path out of $PATH
path = strdup(getenv("PATH"));
if (!path)
log_error("getenv(\"PATH\") failed: %s\n", strerror(errno));
for (p = strtok(path, ":"); p; p = strtok(NULL, ":")) {
snprintf(buf, sizeof buf, "%s/%s", p, yosys_argv0);
if (access(buf, X_OK) == 0) {
*(strrchr(buf, '/') + 1) = '\0';
free(path);
return buf;
}
}
free(path);
log_error("Can't determine yosys executable path\n.");
return NULL;
}
#else
#error "Don't know how to determine process executable base path!"
#endif