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Try again to make pg_isolation_regress work its build directory.

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We can't search for the isolationtester binary until after we've set
up the environment, because otherwise when find_other_exec() tries
to invoke it with the -V option, it might fail for inability to
locate a working libpq.  So postpone that step.

Andres Freund
This commit is contained in:
Robert Haas 2013-11-12 11:23:47 -05:00
parent 9cab81b572
commit 061b88c732
1 changed files with 26 additions and 7 deletions
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33
src/test/isolation/isolation_main.c
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@ -12,7 +12,10 @@
#include "pg_regress.h"
char saved_argv0[MAXPGPATH];
char isolation_exec[MAXPGPATH];
bool looked_up_isolation_exec = false;
#define PG_ISOLATION_VERSIONSTR "isolationtester (PostgreSQL) " PG_VERSION "\n"
/*
@ -32,6 +35,19 @@ isolation_start_test(const char *testname,
char psql_cmd[MAXPGPATH * 3];
size_t offset = 0;
/* need to do the path lookup here, check isolation_init() for details */
if (!looked_up_isolation_exec)
{
/* look for isolationtester binary */
if (find_other_exec(saved_argv0, "isolationtester",
PG_ISOLATION_VERSIONSTR, isolation_exec) != 0)
{
fprintf(stderr, _("could not find proper isolationtester binary\n"));
exit(2);
}
looked_up_isolation_exec = true;
}
/*
* Look for files in the output dir first, consistent with a vpath search.
* This is mainly to create more reasonable error messages if the file is
@ -82,13 +98,16 @@ isolation_start_test(const char *testname,
static void
isolation_init(int argc, char **argv)
{
/* look for isolationtester binary */
if (find_other_exec(argv[0], "isolationtester",
PG_ISOLATION_VERSIONSTR, isolation_exec) != 0)
{
fprintf(stderr, _("could not find proper isolationtester binary\n"));
exit(2);
}
/*
* We unfortunately cannot do the find_other_exec() lookup to find the
* "isolationtester" binary here. regression_main() calls the
* initialization functions before parsing the commandline arguments and
* thus hasn't changed the library search path at this point which in turn
* can cause the "isolationtester -V" invocation that find_other_exec()
* does to fail since it's linked to libpq. So we instead copy argv[0]
* and do the lookup the first time through isolation_start_test().
*/
strncpy(saved_argv0, argv[0], MAXPGPATH);
/* set default regression database name */
add_stringlist_item(&dblist, "isolationtest");