*-symbols-check: error out when using unset variables

It will make bugs like the one fixed with previous patch dead obvious.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 58646e8..6f5e0f9 100755 (executable)
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.am/libdrm_amdgpuinclude_HEADERS
 

diff --git a/etnaviv/etnaviv-symbol-check b/etnaviv/etnaviv-symbol-check
index bc50961..1891068 100755 (executable)
--- a/etnaviv/etnaviv-symbol-check
+++ b/etnaviv/etnaviv-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBDRM_ETNAVIV_H_FILES
 

diff --git a/exynos/exynos-symbol-check b/exynos/exynos-symbol-check
index e9f1b04..49d611e 100755 (executable)
--- a/exynos/exynos-symbol-check
+++ b/exynos/exynos-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.am/libdrm_exynos*_HEADERS
 

diff --git a/freedreno/freedreno-symbol-check b/freedreno/freedreno-symbol-check
index e732c99..6da9d66 100755 (executable)
--- a/freedreno/freedreno-symbol-check
+++ b/freedreno/freedreno-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBDRM_FREEDRENO_H_FILES
 

diff --git a/intel/intel-symbol-check b/intel/intel-symbol-check
index 4d30a4b..de377be 100755 (executable)
--- a/intel/intel-symbol-check
+++ b/intel/intel-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBDRM_INTEL_H_FILES
 

diff --git a/libkms/kms-symbol-check b/libkms/kms-symbol-check
index a5c2120..30f444f 100755 (executable)
--- a/libkms/kms-symbol-check
+++ b/libkms/kms-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBKMS_H_FILES
 

diff --git a/nouveau/nouveau-symbol-check b/nouveau/nouveau-symbol-check
index b3a2410..6296244 100755 (executable)
--- a/nouveau/nouveau-symbol-check
+++ b/nouveau/nouveau-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBDRM_NOUVEAU_H_FILES
 

diff --git a/omap/omap-symbol-check b/omap/omap-symbol-check
index 0fb4a0f..16da3c4 100755 (executable)
--- a/omap/omap-symbol-check
+++ b/omap/omap-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.am/libdrm_omap*HEADERS
 

diff --git a/radeon/radeon-symbol-check b/radeon/radeon-symbol-check
index 7d79d90..da605bb 100755 (executable)
--- a/radeon/radeon-symbol-check
+++ b/radeon/radeon-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first five) are taken from the public headers.
 # A list of the latter should be available Makefile.sources/LIBDRM_RADEON_H_FILES
 

diff --git a/tegra/tegra-symbol-check b/tegra/tegra-symbol-check
index 509b678..8539b95 100755 (executable)
--- a/tegra/tegra-symbol-check
+++ b/tegra/tegra-symbol-check
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # The following symbols (past the first nine) are taken from tegra.h.
 
 FUNCS=$($NM -D --format=bsd --defined-only ${1-.libs/libdrm_tegra.so} | awk '{print $3}'| while read func; do