compiler.h: add __weak macro

Instead of writing out '__attribute__((weak))' use a shorter form.

Change-Id: If418a1d55052780077febd2d8f2089021f414b91
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/25767
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Justin TerAvest <teravest@chromium.org>

5 files changed, 14 insertions, 9 deletions

diff --git a/src/mainboard/intel/glkrvp/chromeos.c b/src/mainboard/intel/glkrvp/chromeos.c
index 05e8c6017a..76c83e1151 100644
--- a/src/mainboard/intel/glkrvp/chromeos.c
+++ b/src/mainboard/intel/glkrvp/chromeos.c
@@ -15,6 +15,7 @@
 
 #include <baseboard/variants.h>
 #include <boot/coreboot_tables.h>
+#include <compiler.h>
 #include <ec/google/chromeec/ec.h>
 #include <gpio.h>
 #include <vendorcode/google/chromeos/chromeos.h>
@@ -55,7 +56,7 @@ void mainboard_chromeos_acpi_generate(void)
 	chromeos_acpi_gpio_generate(gpios, num);
 }
 
-int __attribute__((weak)) get_lid_switch(void)
+int __weak get_lid_switch(void)
 {
 	return -1;
 }
diff --git a/src/mainboard/intel/glkrvp/variants/baseboard/boardid.c b/src/mainboard/intel/glkrvp/variants/baseboard/boardid.c
index 1f30f4ea63..530c06a993 100644
--- a/src/mainboard/intel/glkrvp/variants/baseboard/boardid.c
+++ b/src/mainboard/intel/glkrvp/variants/baseboard/boardid.c
@@ -14,9 +14,10 @@
  */
 
 #include <baseboard/variants.h>
+#include <compiler.h>
 #include <ec/google/chromeec/ec.h>
 
-uint8_t __attribute__((weak)) variant_board_id(void)
+uint8_t __weak variant_board_id(void)
 {
 	if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
 		return google_chromeec_get_board_version();
diff --git a/src/mainboard/intel/glkrvp/variants/baseboard/gpio.c b/src/mainboard/intel/glkrvp/variants/baseboard/gpio.c
index 96821d6704..7ff68a4826 100644
--- a/src/mainboard/intel/glkrvp/variants/baseboard/gpio.c
+++ b/src/mainboard/intel/glkrvp/variants/baseboard/gpio.c
@@ -16,6 +16,7 @@
 #include <baseboard/gpio.h>
 #include <baseboard/variants.h>
 #include <commonlib/helpers.h>
+#include <compiler.h>
 
 /*
  * Pad configuration in ramstage. The order largely follows the 'GPIO Muxing'
@@ -250,7 +251,7 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_NF_IOSSTATE(GPIO_209, DN_20K, DEEP, NF1, HIZCRx0),/*EMMC0_STROBE*/
 };
 
-const struct pad_config * __attribute__((weak)) variant_gpio_table(size_t *num)
+const struct pad_config * __weak variant_gpio_table(size_t *num)
 {
 	*num = ARRAY_SIZE(gpio_table);
 	return gpio_table;
@@ -262,7 +263,7 @@ static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF_IOSTANDBY_IGNORE(GPIO_178, UP_20K, DEEP, NF1), /* SMB_DATA */
 };
 
-const struct pad_config * __attribute__((weak))
+const struct pad_config * __weak
 variant_early_gpio_table(size_t *num)
 {
 	*num = ARRAY_SIZE(early_gpio_table);
@@ -277,7 +278,7 @@ static const struct pad_config sleep_gpio_table[] = {
 #endif
 };
 
-const struct pad_config * __attribute__((weak))
+const struct pad_config * __weak
 variant_sleep_gpio_table(size_t *num)
 {
 	*num = ARRAY_SIZE(sleep_gpio_table);
@@ -291,7 +292,7 @@ static const struct cros_gpio cros_gpios[] = {
 #endif
 };
 
-const struct cros_gpio * __attribute__((weak)) variant_cros_gpios(size_t *num)
+const struct cros_gpio * __weak variant_cros_gpios(size_t *num)
 {
 	*num = ARRAY_SIZE(cros_gpios);
 	return cros_gpios;
diff --git a/src/mainboard/intel/glkrvp/variants/baseboard/memory.c b/src/mainboard/intel/glkrvp/variants/baseboard/memory.c
index be00ecd577..56fac2a068 100644
--- a/src/mainboard/intel/glkrvp/variants/baseboard/memory.c
+++ b/src/mainboard/intel/glkrvp/variants/baseboard/memory.c
@@ -14,6 +14,7 @@
  */
 
 #include <baseboard/variants.h>
+#include <compiler.h>
 #include <gpio.h>
 #include <soc/meminit.h>
 #include <variant/gpio.h>
@@ -133,12 +134,12 @@ static const struct lpddr4_cfg lp4cfg = {
 	.swizzle_config = &baseboard_lpddr4_swizzle,
 };
 
-const struct lpddr4_cfg * __attribute__((weak)) variant_lpddr4_config(void)
+const struct lpddr4_cfg * __weak variant_lpddr4_config(void)
 {
 	return &lp4cfg;
 }
 
-size_t __attribute__((weak)) variant_memory_sku(void)
+size_t __weak variant_memory_sku(void)
 {
 	return 0;
 }
diff --git a/src/mainboard/intel/glkrvp/variants/baseboard/nhlt.c b/src/mainboard/intel/glkrvp/variants/baseboard/nhlt.c
index 45cbc8f8c2..51da3addb5 100644
--- a/src/mainboard/intel/glkrvp/variants/baseboard/nhlt.c
+++ b/src/mainboard/intel/glkrvp/variants/baseboard/nhlt.c
@@ -14,11 +14,12 @@
  */
 
 #include <baseboard/variants.h>
+#include <compiler.h>
 #include <console/console.h>
 #include <nhlt.h>
 #include <soc/nhlt.h>
 
-void __attribute__((weak)) variant_nhlt_init(struct nhlt *nhlt)
+void __weak variant_nhlt_init(struct nhlt *nhlt)
 {
 	/* 1-dmic configuration */
 	if (IS_ENABLED(CONFIG_NHLT_DMIC_1CH_16B) &&