diff options
Diffstat (limited to 'tls/win/nmakehlp.c')
-rw-r--r-- | tls/win/nmakehlp.c | 767 |
1 files changed, 767 insertions, 0 deletions
diff --git a/tls/win/nmakehlp.c b/tls/win/nmakehlp.c new file mode 100644 index 0000000..ed7e970 --- /dev/null +++ b/tls/win/nmakehlp.c @@ -0,0 +1,767 @@ +/* + * ---------------------------------------------------------------------------- + * nmakehlp.c -- + * + * This is used to fix limitations within nmake and the environment. + * + * Copyright (c) 2002 by David Gravereaux. + * Copyright (c) 2006 by Pat Thoyts + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * ---------------------------------------------------------------------------- + * RCS: @(#) $Id: nmakehlp.c,v 1.4 2008/06/18 11:29:37 patthoyts Exp $ + * ---------------------------------------------------------------------------- + */ + +#define _CRT_SECURE_NO_DEPRECATE +#include <windows.h> +#define NO_SHLWAPI_GDI +#define NO_SHLWAPI_STREAM +#define NO_SHLWAPI_REG +#include <shlwapi.h> +#pragma comment (lib, "user32.lib") +#pragma comment (lib, "kernel32.lib") +#pragma comment (lib, "shlwapi.lib") +#include <stdio.h> +#include <math.h> + +/* + * This library is required for x64 builds with _some_ versions of MSVC + */ +#if defined(_M_IA64) || defined(_M_AMD64) +#if _MSC_VER >= 1400 && _MSC_VER < 1500 +#pragma comment(lib, "bufferoverflowU") +#endif +#endif + +/* ISO hack for dumb VC++ */ +#ifdef _MSC_VER +#define snprintf _snprintf +#endif + + + +/* protos */ + +int CheckForCompilerFeature(const char *option); +int CheckForLinkerFeature(const char *option); +int IsIn(const char *string, const char *substring); +int GrepForDefine(const char *file, const char *string); +int SubstituteFile(const char *substs, const char *filename); +int QualifyPath(const char *path); +const char * GetVersionFromFile(const char *filename, const char *match); +DWORD WINAPI ReadFromPipe(LPVOID args); + +/* globals */ + +#define CHUNK 25 +#define STATICBUFFERSIZE 1000 +typedef struct { + HANDLE pipe; + char buffer[STATICBUFFERSIZE]; +} pipeinfo; + +pipeinfo Out = {INVALID_HANDLE_VALUE, '\0'}; +pipeinfo Err = {INVALID_HANDLE_VALUE, '\0'}; + +/* + * exitcodes: 0 == no, 1 == yes, 2 == error + */ + +int +main( + int argc, + char *argv[]) +{ + char msg[300]; + DWORD dwWritten; + int chars; + + /* + * Make sure children (cl.exe and link.exe) are kept quiet. + */ + + SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); + + /* + * Make sure the compiler and linker aren't effected by the outside world. + */ + + SetEnvironmentVariable("CL", ""); + SetEnvironmentVariable("LINK", ""); + + if (argc > 1 && *argv[1] == '-') { + switch (*(argv[1]+1)) { + case 'c': + if (argc != 3) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -c <compiler option>\n" + "Tests for whether cl.exe supports an option\n" + "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return CheckForCompilerFeature(argv[2]); + case 'l': + if (argc != 3) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -l <linker option>\n" + "Tests for whether link.exe supports an option\n" + "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return CheckForLinkerFeature(argv[2]); + case 'f': + if (argc == 2) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -f <string> <substring>\n" + "Find a substring within another\n" + "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } else if (argc == 3) { + /* + * If the string is blank, there is no match. + */ + + return 0; + } else { + return IsIn(argv[2], argv[3]); + } + case 'g': + if (argc == 2) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -g <file> <string>\n" + "grep for a #define\n" + "exitcodes: integer of the found string (no decimals)\n", + argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return GrepForDefine(argv[2], argv[3]); + case 's': + if (argc == 2) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -s <substitutions file> <file>\n" + "Perform a set of string map type substutitions on a file\n" + "exitcodes: 0\n", + argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return SubstituteFile(argv[2], argv[3]); + case 'V': + if (argc != 4) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -V filename matchstring\n" + "Extract a version from a file:\n" + "eg: pkgIndex.tcl \"package ifneeded http\"", + argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 0; + } + printf("%s\n", GetVersionFromFile(argv[2], argv[3])); + return 0; + case 'Q': + if (argc != 3) { + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -q path\n" + "Emit the fully qualified path\n" + "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, + &dwWritten, NULL); + return 2; + } + return QualifyPath(argv[2]); + } + } + chars = snprintf(msg, sizeof(msg) - 1, + "usage: %s -c|-l|-f|-g|-V|-s|-Q ...\n" + "This is a little helper app to equalize shell differences between WinNT and\n" + "Win9x and get nmake.exe to accomplish its job.\n", + argv[0]); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL); + return 2; +} + +int +CheckForCompilerFeature( + const char *option) +{ + STARTUPINFO si; + PROCESS_INFORMATION pi; + SECURITY_ATTRIBUTES sa; + DWORD threadID; + char msg[300]; + BOOL ok; + HANDLE hProcess, h, pipeThreads[2]; + char cmdline[100]; + + hProcess = GetCurrentProcess(); + + ZeroMemory(&pi, sizeof(PROCESS_INFORMATION)); + ZeroMemory(&si, sizeof(STARTUPINFO)); + si.cb = sizeof(STARTUPINFO); + si.dwFlags = STARTF_USESTDHANDLES; + si.hStdInput = INVALID_HANDLE_VALUE; + + ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES)); + sa.nLength = sizeof(SECURITY_ATTRIBUTES); + sa.lpSecurityDescriptor = NULL; + sa.bInheritHandle = FALSE; + + /* + * Create a non-inheritible pipe. + */ + + CreatePipe(&Out.pipe, &h, &sa, 0); + + /* + * Dupe the write side, make it inheritible, and close the original. + */ + + DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE, + DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); + + /* + * Same as above, but for the error side. + */ + + CreatePipe(&Err.pipe, &h, &sa, 0); + DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE, + DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); + + /* + * Base command line. + */ + + lstrcpy(cmdline, "cl.exe -nologo -c -TC -Zs -X -Fp.\\_junk.pch "); + + /* + * Append our option for testing + */ + + lstrcat(cmdline, option); + + /* + * Filename to compile, which exists, but is nothing and empty. + */ + + lstrcat(cmdline, " .\\nul"); + + ok = CreateProcess( + NULL, /* Module name. */ + cmdline, /* Command line. */ + NULL, /* Process handle not inheritable. */ + NULL, /* Thread handle not inheritable. */ + TRUE, /* yes, inherit handles. */ + DETACHED_PROCESS, /* No console for you. */ + NULL, /* Use parent's environment block. */ + NULL, /* Use parent's starting directory. */ + &si, /* Pointer to STARTUPINFO structure. */ + &pi); /* Pointer to PROCESS_INFORMATION structure. */ + + if (!ok) { + DWORD err = GetLastError(); + int chars = snprintf(msg, sizeof(msg) - 1, + "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err); + + FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS| + FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID)&msg[chars], + (300-chars), 0); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg,lstrlen(msg), &err,NULL); + return 2; + } + + /* + * Close our references to the write handles that have now been inherited. + */ + + CloseHandle(si.hStdOutput); + CloseHandle(si.hStdError); + + WaitForInputIdle(pi.hProcess, 5000); + CloseHandle(pi.hThread); + + /* + * Start the pipe reader threads. + */ + + pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID); + pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID); + + /* + * Block waiting for the process to end. + */ + + WaitForSingleObject(pi.hProcess, INFINITE); + CloseHandle(pi.hProcess); + + /* + * Wait for our pipe to get done reading, should it be a little slow. + */ + + WaitForMultipleObjects(2, pipeThreads, TRUE, 500); + CloseHandle(pipeThreads[0]); + CloseHandle(pipeThreads[1]); + + /* + * Look for the commandline warning code in both streams. + * - in MSVC 6 & 7 we get D4002, in MSVC 8 we get D9002. + */ + + return !(strstr(Out.buffer, "D4002") != NULL + || strstr(Err.buffer, "D4002") != NULL + || strstr(Out.buffer, "D9002") != NULL + || strstr(Err.buffer, "D9002") != NULL + || strstr(Out.buffer, "D2021") != NULL + || strstr(Err.buffer, "D2021") != NULL); +} + +int +CheckForLinkerFeature( + const char *option) +{ + STARTUPINFO si; + PROCESS_INFORMATION pi; + SECURITY_ATTRIBUTES sa; + DWORD threadID; + char msg[300]; + BOOL ok; + HANDLE hProcess, h, pipeThreads[2]; + char cmdline[100]; + + hProcess = GetCurrentProcess(); + + ZeroMemory(&pi, sizeof(PROCESS_INFORMATION)); + ZeroMemory(&si, sizeof(STARTUPINFO)); + si.cb = sizeof(STARTUPINFO); + si.dwFlags = STARTF_USESTDHANDLES; + si.hStdInput = INVALID_HANDLE_VALUE; + + ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES)); + sa.nLength = sizeof(SECURITY_ATTRIBUTES); + sa.lpSecurityDescriptor = NULL; + sa.bInheritHandle = TRUE; + + /* + * Create a non-inheritible pipe. + */ + + CreatePipe(&Out.pipe, &h, &sa, 0); + + /* + * Dupe the write side, make it inheritible, and close the original. + */ + + DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE, + DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); + + /* + * Same as above, but for the error side. + */ + + CreatePipe(&Err.pipe, &h, &sa, 0); + DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE, + DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); + + /* + * Base command line. + */ + + lstrcpy(cmdline, "link.exe -nologo "); + + /* + * Append our option for testing. + */ + + lstrcat(cmdline, option); + + ok = CreateProcess( + NULL, /* Module name. */ + cmdline, /* Command line. */ + NULL, /* Process handle not inheritable. */ + NULL, /* Thread handle not inheritable. */ + TRUE, /* yes, inherit handles. */ + DETACHED_PROCESS, /* No console for you. */ + NULL, /* Use parent's environment block. */ + NULL, /* Use parent's starting directory. */ + &si, /* Pointer to STARTUPINFO structure. */ + &pi); /* Pointer to PROCESS_INFORMATION structure. */ + + if (!ok) { + DWORD err = GetLastError(); + int chars = snprintf(msg, sizeof(msg) - 1, + "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err); + + FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS| + FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID)&msg[chars], + (300-chars), 0); + WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg,lstrlen(msg), &err,NULL); + return 2; + } + + /* + * Close our references to the write handles that have now been inherited. + */ + + CloseHandle(si.hStdOutput); + CloseHandle(si.hStdError); + + WaitForInputIdle(pi.hProcess, 5000); + CloseHandle(pi.hThread); + + /* + * Start the pipe reader threads. + */ + + pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID); + pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID); + + /* + * Block waiting for the process to end. + */ + + WaitForSingleObject(pi.hProcess, INFINITE); + CloseHandle(pi.hProcess); + + /* + * Wait for our pipe to get done reading, should it be a little slow. + */ + + WaitForMultipleObjects(2, pipeThreads, TRUE, 500); + CloseHandle(pipeThreads[0]); + CloseHandle(pipeThreads[1]); + + /* + * Look for the commandline warning code in the stderr stream. + */ + + return !(strstr(Out.buffer, "LNK1117") != NULL || + strstr(Err.buffer, "LNK1117") != NULL || + strstr(Out.buffer, "LNK4044") != NULL || + strstr(Err.buffer, "LNK4044") != NULL); +} + +DWORD WINAPI +ReadFromPipe( + LPVOID args) +{ + pipeinfo *pi = (pipeinfo *) args; + char *lastBuf = pi->buffer; + DWORD dwRead; + BOOL ok; + + again: + if (lastBuf - pi->buffer + CHUNK > STATICBUFFERSIZE) { + CloseHandle(pi->pipe); + return (DWORD)-1; + } + ok = ReadFile(pi->pipe, lastBuf, CHUNK, &dwRead, 0L); + if (!ok || dwRead == 0) { + CloseHandle(pi->pipe); + return 0; + } + lastBuf += dwRead; + goto again; + + return 0; /* makes the compiler happy */ +} + +int +IsIn( + const char *string, + const char *substring) +{ + return (strstr(string, substring) != NULL); +} + +/* + * Find a specified #define by name. + * + * If the line is '#define TCL_VERSION "8.5"', it returns 85 as the result. + */ + +int +GrepForDefine( + const char *file, + const char *string) +{ + char s1[51], s2[51], s3[51]; + FILE *f = fopen(file, "rt"); + + if (f == NULL) { + return 0; + } + + do { + int r = fscanf(f, "%50s", s1); + + if (r == 1 && !strcmp(s1, "#define")) { + /* + * Get next two words. + */ + + r = fscanf(f, "%50s %50s", s2, s3); + if (r != 2) { + continue; + } + + /* + * Is the first word what we're looking for? + */ + + if (!strcmp(s2, string)) { + double d1; + + fclose(f); + + /* + * Add 1 past first double quote char. "8.5" + */ + + d1 = atof(s3 + 1); /* 8.5 */ + while (floor(d1) != d1) { + d1 *= 10.0; + } + return ((int) d1); /* 85 */ + } + } + } while (!feof(f)); + + fclose(f); + return 0; +} + +/* + * GetVersionFromFile -- + * Looks for a match string in a file and then returns the version + * following the match where a version is anything acceptable to + * package provide or package ifneeded. + */ + +const char * +GetVersionFromFile( + const char *filename, + const char *match) +{ + size_t cbBuffer = 100; + static char szBuffer[100]; + char *szResult = NULL; + FILE *fp = fopen(filename, "rt"); + + if (fp != NULL) { + /* + * Read data until we see our match string. + */ + + while (fgets(szBuffer, cbBuffer, fp) != NULL) { + LPSTR p, q; + + p = strstr(szBuffer, match); + if (p != NULL) { + /* + * Skip to first digit. + */ + + while (*p && !isdigit(*p)) { + ++p; + } + + /* + * Find ending whitespace. + */ + + q = p; + while (*q && (isalnum(*q) || *q == '.')) { + ++q; + } + + memcpy(szBuffer, p, q - p); + szBuffer[q-p] = 0; + szResult = szBuffer; + break; + } + } + fclose(fp); + } + return szResult; +} + +/* + * List helpers for the SubstituteFile function + */ + +typedef struct list_item_t { + struct list_item_t *nextPtr; + char * key; + char * value; +} list_item_t; + +/* insert a list item into the list (list may be null) */ +static list_item_t * +list_insert(list_item_t **listPtrPtr, const char *key, const char *value) +{ + list_item_t *itemPtr = malloc(sizeof(list_item_t)); + if (itemPtr) { + itemPtr->key = strdup(key); + itemPtr->value = strdup(value); + itemPtr->nextPtr = NULL; + + while(*listPtrPtr) { + listPtrPtr = &(*listPtrPtr)->nextPtr; + } + *listPtrPtr = itemPtr; + } + return itemPtr; +} + +static void +list_free(list_item_t **listPtrPtr) +{ + list_item_t *tmpPtr, *listPtr = *listPtrPtr; + while (listPtr) { + tmpPtr = listPtr; + listPtr = listPtr->nextPtr; + free(tmpPtr->key); + free(tmpPtr->value); + free(tmpPtr); + } +} + +/* + * SubstituteFile -- + * As windows doesn't provide anything useful like sed and it's unreliable + * to use the tclsh you are building against (consider x-platform builds - + * eg compiling AMD64 target from IX86) we provide a simple substitution + * option here to handle autoconf style substitutions. + * The substitution file is whitespace and line delimited. The file should + * consist of lines matching the regular expression: + * \s*\S+\s+\S*$ + * + * Usage is something like: + * nmakehlp -S << $** > $@ + * @PACKAGE_NAME@ $(PACKAGE_NAME) + * @PACKAGE_VERSION@ $(PACKAGE_VERSION) + * << + */ + +int +SubstituteFile( + const char *substitutions, + const char *filename) +{ + size_t cbBuffer = 1024; + static char szBuffer[1024], szCopy[1024]; + char *szResult = NULL; + list_item_t *substPtr = NULL; + FILE *fp, *sp; + + fp = fopen(filename, "rt"); + if (fp != NULL) { + + /* + * Build a list of substutitions from the first filename + */ + + sp = fopen(substitutions, "rt"); + if (sp != NULL) { + while (fgets(szBuffer, cbBuffer, sp) != NULL) { + char *ks, *ke, *vs, *ve; + ks = szBuffer; + while (ks && *ks && isspace(*ks)) ++ks; + ke = ks; + while (ke && *ke && !isspace(*ke)) ++ke; + vs = ke; + while (vs && *vs && isspace(*vs)) ++vs; + ve = vs; + while (ve && *ve && !(*ve == '\r' || *ve == '\n')) ++ve; + *ke = 0, *ve = 0; + list_insert(&substPtr, ks, vs); + } + fclose(sp); + } + + /* debug: dump the list */ +#ifdef _DEBUG + { + int n = 0; + list_item_t *p = NULL; + for (p = substPtr; p != NULL; p = p->nextPtr, ++n) { + fprintf(stderr, "% 3d '%s' => '%s'\n", n, p->key, p->value); + } + } +#endif + + /* + * Run the substitutions over each line of the input + */ + + while (fgets(szBuffer, cbBuffer, fp) != NULL) { + list_item_t *p = NULL; + for (p = substPtr; p != NULL; p = p->nextPtr) { + char *m = strstr(szBuffer, p->key); + if (m) { + char *cp, *op, *sp; + cp = szCopy; + op = szBuffer; + while (op != m) *cp++ = *op++; + sp = p->value; + while (sp && *sp) *cp++ = *sp++; + op += strlen(p->key); + while (*op) *cp++ = *op++; + *cp = 0; + memcpy(szBuffer, szCopy, sizeof(szCopy)); + } + } + printf(szBuffer); + } + + list_free(&substPtr); + } + fclose(fp); + return 0; +} + +/* + * QualifyPath -- + * + * This composes the current working directory with a provided path + * and returns the fully qualified and normalized path. + * Mostly needed to setup paths for testing. + */ + +int +QualifyPath( + const char *szPath) +{ + char szCwd[MAX_PATH + 1]; + char szTmp[MAX_PATH + 1]; + char *p; + GetCurrentDirectory(MAX_PATH, szCwd); + while ((p = strchr(szPath, '/')) && *p) + *p = '\\'; + PathCombine(szTmp, szCwd, szPath); + PathCanonicalize(szCwd, szTmp); + printf("%s\n", szCwd); + return 0; +} + +/* + * Local variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * indent-tabs-mode: t + * tab-width: 8 + * End: + */ |