From ed137300ca45443f9986b4a0322298a38610ddce Mon Sep 17 00:00:00 2001 From: Georg-Johann Lay Date: Mon, 23 Mar 2015 18:19:01 +0000 Subject: [PATCH] re PR target/65296 ([avr] fix various issues with specs file generation) PR target/65296 * config/avr/driver-avr.c (avr_devicespecs_file): Allow to specify the same -mmcu=MCU more than once. From-SVN: r221602 --- gcc/ChangeLog | 6 ++++++ gcc/config/avr/driver-avr.c | 23 +++++++++++++++-------- 2 files changed, 21 insertions(+), 8 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ae062f89810..ad9ca05bd29 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-03-23 Georg-Johann Lay + + PR target/65296 + * config/avr/driver-avr.c (avr_devicespecs_file): Allow to specify + the same -mmcu=MCU more than once. + 2015-03-23 Jakub Jelinek PR bootstrap/65522 diff --git a/gcc/config/avr/driver-avr.c b/gcc/config/avr/driver-avr.c index dbc5043d996..4890a39b489 100644 --- a/gcc/config/avr/driver-avr.c +++ b/gcc/config/avr/driver-avr.c @@ -55,9 +55,10 @@ avr_diagnose_devicespecs_error (const char *mcu, const char *filename) /* Implement spec function `device-specs-file´. - Compose -specs=. If everything went well then argv[0] - is the inflated specs directory and argv[1] is a device or core name as - supplied to -mmcu=*. */ + Compose -specs=%s. If everything went well then argv[0] + is the inflated (absolute) specs directory and argv[1] is a device or + core name as supplied by -mmcu=*. When building GCC the path might + be relative. */ const char* avr_devicespecs_file (int argc, const char **argv) @@ -82,13 +83,19 @@ avr_devicespecs_file (int argc, const char **argv) mmcu = AVR_MMCU_DEFAULT; break; - case 2: + default: mmcu = argv[1]; - break; - default: - error ("specified option %qs more than once", "-mmcu="); - return X_NODEVLIB; + // Allow specifying the same MCU more than once. + + for (int i = 2; i < argc; i++) + if (0 != strcmp (mmcu, argv[i])) + { + error ("specified option %qs more than once", "-mmcu"); + return X_NODEVLIB; + } + + break; } specfile_name = concat (argv[0], dir_separator_str, "specs-", mmcu, NULL); -- 2.30.2